标签归档：西安耍耍论坛

Huawei HarmonyOS is officially here! Where the hell is this system？

Today, Huawei will hold the largest global developer conference in history. The HarmonyOS operating system developed by Huawei itself has become the most noticeable hot spot of this conference. Previously, Huawei registered the trademark of HarmonyOS operating system, which attracted worldwide attention. Ren Zhengfei, chairman of Huawei, said that the HarmonyOS system was not specially used for mobile phones. But for the internet of things. HarmonyOS system can control the time delay to 5 milliseconds or even milliseconds or sub-milliseconds. This operating system can be compatible with such things as autonomous driving, industrial automation, printed circuit boards, switches, smart phones and data centers.

In the 5G era, the ecological war of HarmonyOS system.

The HarmonyOS system does exist. And it is very powerful. Ren Zhengfei also admitted that HarmonyOS’s shortcoming is that its ecological environment is not as good as that of Android. Huawei’s mobile phones have a large share of overseas sales. But Google’s Android system is the mainstream in overseas markets, and it will take time for HarmonyOS to replace it overseas. But from Ren Zhengfei’s words, we can analyze that although HarmonyOS system is not specially used for mobile phones, it does not mean that it cannot be used for mobile phones.

Huawei Developers Conference

Since the registration of HarmonyOS operating system, there has been a saying that it is a branch of Android system. This is a misunderstanding. Dr Zhang Rujing, the founder of SMIC, analyzed that HarmonyOS was not a branch or modification of Android. It is a brand-new and independent operating system. It is developed for the future 5G Internet of Things.

Google also has a Fuchsia system for the 5G Internet of Things. However, the optimized version of HarmonyOS’s Ark compiler based on EMUI version 9.1 is much faster than the Android native compiler in performance. Then, Google’s Fuchsia and Huawei’s HarmonyOS system are at the same level, while the Android operating system is at a lower level.

Whether Google’s Fuchsia or Huawei’s HarmonyOS system, their ultimate goal is to replace the 4G Android system. At present, the development progress of HarmonyOS system far exceeds that of Google’s Fuchsia system. And HarmonyOS system will definitely be released before Fuchsia.

Ark compiler+HarmonyOS system, let Android experience surpass Apple.

Smartphones are a very important aspect of Huawei’s 5G business. So how can Huawei’s smartphones establish their own ecological environment as soon as possible? This problem should be discussed in two aspects.

First of all, utilitarianism: This is the most fundamental condition and opportunity for HarmonyOS system to quickly open its own ecological environment. The code of APP is not machine code but byte code. If someone develops a system, as long as the virtual machine and compilation module are compatible with the bytecode of Android APP, then the system can directly use the Android APP ecosystem.

Secondly, it is openness: Huawei opens its own Ark compiler. Let more technicians who support Huawei participate.

In this way, I believe that Huawei’s ecological environment will be established soon. Yu Chengdong announced at the Weibo that the open source Ark compiler would be released at the Huawei Global Developers Conference on August 9th.

Huawei Developers Conference

Android system is written in Java language, which is easy to learn. But it has a disadvantage, that is, it can’t communicate directly with the bottom of the system. Can only run on so-called virtual machines. To put it bluntly, the virtual machine is equivalent to a setter. First, the Android application is installed on the virtual machine, and then it is passed to the bottom of the machine.

Then the problem comes. What if the setter has a problem? The performance in Android system is the mobile phone software Caton. So, can you communicate directly with the bottom of the machine without this setter? Ark compiler solves this problem. All software of Android system can communicate directly with the bottom of the system through the compilation of Ark compiler.

Then HarmonyOS system plus Ark compiler will replace the setter of virtual machine. Why doesn’t Apple’s mobile phone get stuck in use? It just doesn’t have the setter and writes code directly for the bottom of the machine. The software of Apple’s mobile phone runs much smoother than that of Android.

Another issue worthy of attention is that Huawei’s HarmonyOS system is a microkernel. In fact, the kernel of the operating system can be a macro kernel or a micro kernel. The system development of macro kernel is difficult, and many functions with extremely high authority can be realized in it. After all, most of the functions of the operating system are in it, and solving the problem is the most direct. The Android system belongs to the macro kernel.

Because these modules have the highest authority, as long as one module goes wrong, the whole system will collapse. Microkernel, on the other hand, has few modules with the highest authority, such as task management of operating system and memory allocation and recycling management. Other modules do not have the highest authority, so even if there is an error, the system will not crash. Similarly, the development of microkernel is difficult, but the system stability is high.

At present, Huawei has officially announced the installation details and download address of the Ark compiler in the official community. In the near future, Huawei may also build an ecosystem like Apple, Microsoft and Google. (The author is a researcher at the Institute of Philosophy, China Academy of Social Sciences)

Four brands with the best engine quality： excellent choice with near-zero failure rate ＊

In the automobile industry, the engine is known as the "heart" of the automobile, and its quality directly determines the performance and reliability of the vehicle. Among many automobile brands, four brands have excellent engine quality, and the failure rate is almost zero, which has become the first choice for consumers to buy cars.

First place: Honda. Honda is famous for its excellent engine technology, and its i-VTEC technology not only provides excellent power performance, but also ensures fuel economy. Honda engine is famous for its durability and low failure rate. Many owners of Honda models say that the engine can still maintain excellent running state even after years of use.

Second place: Toyota. As one of the largest automobile manufacturers in the world, Toyota’s engine technology can’t be underestimated. Toyota engine is famous for its high efficiency, stability and low failure rate. Its Dynamic Force Engine series engines not only provide strong power, but also perform well in fuel economy and environmental protection.

Third place: BMW. As a luxury car brand, BMW’s engine technology is also leading, and BMW’s engine is famous for its excellent power performance, efficient fuel economy and superb technology level. Its N series and B series engines not only provide strong power for BMW models, but also win wide praise from consumers for their high reliability.

Fourth place: Mercedes-Benz. As a representative of luxury cars, Mercedes-Benz’s engine technology has also reached the top level in the industry. Its M-series engine is famous for its high efficiency and low failure rate, which provides excellent driving experience for Mercedes-Benz models. Many owners of Mercedes-Benz models say that the engine can still maintain excellent performance even after long-term use.

The reason why these four brands of engines can reach such a high quality level is their continuous investment in technology research and development and strict control of product quality. They not only innovate in engine technology, but also make great efforts in material selection, production technology and quality control to ensure that each engine can meet the highest standards.

For those consumers who are preparing to buy a car, it is undoubtedly a wise choice to choose these brands. Their engines can not only provide excellent performance and fuel economy, but also ensure stability and reliability in long-term use, bringing consumers a more secure and enjoyable driving experience.

EU foreign ministers support topolanek to still exercise the rotating presidency of the EU.


　　Czech Foreign Minister Schwartzenberg (right), who holds the rotating presidency of the European Union, and Javier Solana, Secretary-General of the Council of the European Union and High Representative for Foreign Affairs and Security Policy, were at the press conference. (Photo: Yellow Frequency)



The Woods next to the castle are densely covered with police. (Photo: Yellow Frequency)


　　BEIJING, Prague, March 27 (Xinhua) The informal meeting of EU foreign ministers held in the castle palace of the small town of Heluboka on the vltava river in southern Czech supported Czech Prime Minister topolanek to continue to exercise the rotating presidency of the EU.


　　On 24th, the Czech House of Representatives passed a no-confidence motion against the government, and topolanek’s cabinet collapsed. On 26th, President Klaus accepted his resignation. EU foreign ministers expressed concern about the impact of the Czech government crisis on the EU.


　　Italian Foreign Minister Franco frattini said that a weak rotating presidency of the European Union would be disastrous, and all countries must provide full support and help to the Czech Republic until the end of June.


　　He mentioned that the Czech Republic, as the rotating presidency of the European Union, is facing some important activities, including the upcoming summit meeting between the EU and the United States in Prague.


　　The Czech side thanked all countries for their support, but at the same time said that they did not need sympathy.


　　The meeting on the 27th still failed to reach an agreement on whether to invite Belarusian President Lukashenko to attend the summit of "Eastern Partners" held by the EU in Prague in May this year. EU Foreign Affairs Commissioner Benita Ferrero-Waldner said it was "premature" to make a decision.


　　The EU tried to win over six countries, Belarus, Ukraine, Georgia, Azerbaijan, Armenia and Moldova, by implementing the "Eastern Partnership" plan, but it was unwilling to shake hands with Lukashenko, whom they called "the last dictator in Europe".


　　In 2006, the European Union decided to ban 41 Belarusian officials, including President Lukashenko, from visiting Europe to punish Belarus for "not observing democracy and freedom" and having a "bad human rights record".


　　The EU will strengthen its presence in Afghanistan and support the actions of the United States in Afghanistan. The meeting suggested that the EU should become an active builder of Afghan security, but how to participate in it will be discussed with Obama at the European and American summit.


　　EU foreign ministers also discussed the situation in the Middle East. Czech Foreign Minister Schwartzenberg, who presides over the meeting, stressed that the EU supports a "two-state" solution to the Palestinian-Israeli conflict. "This is a fundamental starting point," he said. He believes that both Palestine and Israel must fulfill their respective obligations.


　　The meeting attracted all kinds of demonstrators. In addition to opponents of nuclear power plants from Czech Republic and neighboring Austria, and members of the far-right Workers’ Party who are hostile to foreign immigrants in Czech Republic, there are also people protesting against Foreign Minister Schwartzenberg’s attempt to seize the ownership of the old castle and palace where the venue is located. In another demonstration, participants demanded "cheap beer and sunshine for 365 days". (yellow frequency)

Editor: Feng Ye

Director of CCTV Network Spring Festival Evening： ＂Companionship＂ is the key word, and high technology is the highlight.

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　　Cctv news(Reporter Liu Chunyan, intern Qi Chenyan) "Year after year", CCTV Spring Festival Evening is a beautiful memory of generations of Chinese people. As the whole people step into the Internet era, CCTV Network Spring Festival Evening bridges the gap between the Internet and TV in an innovative way, presenting a unique and novel cultural landscape in the Internet era.

　　2018“CCTV Network Spring Festival Evening "will be broadcast on CCTV-3 and CCTV on the evening of February 8, 2018 (New Year’s Eve). At the rehearsal scene, CCTV reporter interviewed Xu Bin, the director of this network Spring Festival Evening.

　　"Companion" as a keyword

　　The key word of CCTV Spring Festival Evening in 2018 is "companionship". How is this reflected? Xu Bin told reporters that the biggest emotional expression of "companionship" is Sun Yang’s program. As the captain of the national swimming team, Sun Yang won two consecutive Olympic Games in London and Rio, winning glory for the Chinese people, but long-term training has to be at the expense of giving up accompanying his family. "He is a little guilty mother. But my mother always tried to stay with Sun Yang. This time, Sun Yang’s mother also came to the scene of the Spring Festival Evening, and Sun Yang was going to sing a song to her mother. " With Sun Yang’s affectionate singing, the stage background also plays the photo of Sun Yang and his mother from childhood to adulthood. Director Xu Bin also introduced that besides Sun Yang’s program, the whole party was permeated with the atmosphere of Chinese New Year from beginning to end, such as sending new year’s goods and so on.

　　"High-tech" is the highlight

　　The theme of CCTV Spring Festival Evening in 2018 is "Building a New Era of Powerful Country and Dreaming of Wisdom", with real-time connection, human-computer interaction and intelligent equipment … … Internet and scientific and technological elements run through the whole party, becoming the biggest highlight and feature of this network Spring Festival Evening.

　　IFLYTEK’s "Hearing", sogou’s "Wang Tsai", Baidu’s "Small Degree" and Alibaba Cloud’s "Urban Brain" … … Leading figures in the Internet and high-tech industries came to the scene of the Internet Spring Festival Gala with their cute and stunted "signature" products, and shared their experiences, visions and prospects for the future with netizens. "The past 2017 can be said to be ‘ The first year of science and technology ’ It is also a year of confidence for the Chinese nation. Science and technology elements run through the whole network Spring Festival Evening, and they are all local stars of our own country and independent technology of China. " Xu Bin introduced.

　　"Challenges come every year, especially this year." This sentence is very suitable for this year’s Internet Spring Festival Gala. Xu Bin told reporters that man-machine cooperation is one of the biggest challenges of this year’s Internet Spring Festival Evening. It is not easy for robots to interact with performers, hosts and audiences. "These robots should be integrated into all aspects of the party. We didn’t have much experience in this area before, and it took many times to achieve it, but I am very happy to bring a new experience to the audience."

　　"Dance Beauty" Reaches a New Height

　　In singer Summer’s performance, the white skirt covered the whole stage, reflecting the changing light and shadow, which was beautiful. Xu Bin told reporters that in the eight years since the CCTV Spring Festival Evening, the beauty of dance and lighting have been innovated every year, and the creative team is constantly challenging itself, hoping to make the characteristics of online spring and reflect national self-confidence. When asked what surprises other programs have, Xu Bin said with a smile: "Let’s sell it first, and then we’ll see. I hope that netizens will watch CCTV 2018 Network Spring Festival Evening! "

Create a new high of more than two years! Palm oil should ＂rest＂

　　Recently, the news of palm oil market resonated with the supply and demand sides, BMD palm oil reached a two-year high, and the palm oil in the inner disk rose. On October 31, the main contract of Dalian palm oil futures hit 9492 yuan/ton, a new high since the second half of 2022.

　　"Palm oil has continued to rise in recent days, hitting a new high for more than two years, mainly due to the great changes in the global palm oil supply and demand balance table, showing the expectation of ring-on-ring and year-on-year tightening." Jia Hui, an oil and fat analyst at Zhonghui Futures, said that due to last year’s El Ni? o, palm oil production in Indonesia and Colombia declined to a large extent this year. At present, the market expects that palm oil production in Indonesia will decrease by 5% year-on-year and that in Colombia by 7.7% year-on-year. While the global palm oil production is facing a year-on-year decline in 2024, the consumption and cost expectations of palm oil are rising in 2025.

　　Liu Jinlu, an analyst of Guoyuan Futures Oils and Fats, told the Futures Daily reporter that the production reduction cycle of Malaysian palm oil was advanced, and the stocking of palm oil in India boosted Malaysia’s palm oil exports. Under the weak supply and strong demand, the market expected the inventory of Malaysian palm oil to be further lowered at the end of October. In addition, Indonesia’s Ministry of Trade has imposed export license requirements on palm oil residues (usually used as biofuel raw materials) since October 25, which is also a continuation of DMO policy to some extent, or raises the export cost of palm oil in Indonesia. Coupled with the expected increase in Indonesia’s biodiesel demand under B40 policy next year, it may have a further impact on subsequent exports, thus boosting the global palm oil price center.

　　It is worth noting that a series of recent policy trends of the Malaysian government have further stimulated the bullish sentiment of palm oil. Jia Hui analyzed that under the circumstance that the market thinks that the supply of palm oil is tightening, the Malaysian government said that it would not expand seeds by logging, but increase production by increasing the yield per unit area, which means that the palm oil production in Malaysia will not increase rapidly and substantially. In addition, the Malaysian government plans to implement new palm oil export tariff rules from November 1st. According to the new rules, Malaysia’s palm oil export tariff will be increased from the recent 8% to 10%, which will further increase the import cost of domestic palm oil.

　　"In the short term, palm oil has risen to a high point of more than two years. Combined with fundamentals and technical aspects, there is a possibility of a phased correction in November." Jiang Ying, an oil and fat analyst at Guolian Futures, said that the reduction in production caused by the drought in Malaysia from January to March will end in November, and the reduction in production caused by the drought in Indonesia from September to October last year ended in July this year, and the output recovered in August. According to the relationship between extreme climate and price in previous years, palm oil prices are prone to a high inflection point when La Nina intensity is the highest. According to NOAA’s climate prediction model, this year’s La Nina peak will appear in November. Inferred from the historical law, there is the possibility of an inflection point in November.

　　"In addition, the export tax reform in Indonesia and Malaysia and the import tax reform in India have led to rising costs, and the disk has been fully priced. India’s import profits turn negative, and after Diwali on October 31, the import rhythm will slow down in stages. Indonesia’s B50 policy has been widely questioned by the market. Domestic arrivals in November will return to more than 200,000 tons. At present, the disk price has risen to a high level of more than two years, and there is a possibility of a callback technically. " Jiang Ying said.

　　Domestically, Liu Jinlu said that the increase in the price of palm oil in the producing area raised the domestic import cost, and the import profit continued to be upside down. In the third and fourth quarters, palm oil purchases were low. China imported 220,000 tons of palm oil in September, a year-on-year decrease of 58.5%; From January to September, palm oil imports totaled 2.06 million tons, down 33.3% year-on-year. From the demand point of view, the price difference between soybean oil and palm oil continued to fall, which led to the sluggish domestic palm oil consumption, and the high price suppressed the demand, and palm oil still maintained a pattern of oversupply.

　　Looking forward to the market outlook, Liu Jinlu believes that the oil plate will maintain a high consolidation trend in November, and the varieties will continue to differentiate. Palm oil has a relatively strong performance, and there is room for the price difference between soybean oil and palm oil, vegetable oil and palm oil to shrink.

　　In Jiang Ying’s view, palm oil has a long-term upward momentum, and the aging of oil palm in the producing area leads to poor prospects for production growth. The blessing of Indonesian biodiesel policy makes palm oil fundamentals tend to be tense.

　　Jia Hui suggested that there may be more profits in the short term. It is expected that the palm oil 2501 contract may be adjusted at a high level or slightly in the next one to two weeks, so it is necessary to be cautious when chasing more. From a long-term perspective, considering that palm oil in Southeast Asia entered the traditional production reduction season in the fourth quarter, marginal product declined, and short-term adjustment will not affect the long-term pattern of palm oil in the fourth quarter.

Chuangmi suffers from Xiaomi’s ＂dependence＂： 80% of his income depends on selling cameras, and Wisdom Gate is accused of IQ tax？

　　Text | Sina Technology Zhang Jun

　　Editor | Han Dapeng

　　Focus on:

　　1. AsEco-chain enterprises, creating meters and numbers, have the same joy and trouble. Relying on Xiaomi, Chuangmi Digital has created smart cameras’s explosive products and supported more than 80% of its revenue; However, the excessive dependence on Xiaomi also resulted in a low gross profit margin. Investment in research and development is also insufficient, and patent infringement lawsuits are also faced.

　　2. In order to change the dilemma of single revenue, Chuangmi Digital has launched new categories such as smart watches, sweeping robots and smart doors. Among them, the smart door has become a controversial product, and Chuangmi Digital Alliance intends to build it into the entrance of the whole house intelligence, but there are still great problems in user habits, installation and after-sales service.

　　Another Xiaomi eco-chain enterprise is going public. Relying on a camera explosion, Chuangmi Digital achieved a revenue of 1.5 billion in 2021.

　　But the thinness of products is a big problem. I don’t know if I can learn from the smart refrigerator with a screen. Chuangmi Digital Alliance takes the smart door with a screen as a key new category, trying to build it into a smart control center for the whole house. However, many users have reported that there are huge problems in the installation and after-sales of Chuangmi Smart Door, and the product demand is also in doubt.

　　Because of the excessive dependence on the millet sharing model, the gross profit margin of Chuangmi is also low, only less than 20%. Chuangmi, which sprints to the market, still faces many challenges.

　　Eighty percent of the income depends on selling cameras.

　　During the reporting period, the main products of Chuangmi Digital Alliance include smart cameras, smart watches, smart doorbells, smart doors and smart cat eyes. But in fact, it relies heavily on smart cameras products.

　　From 2019 to 2021, the operating income of Chuangmi Digital Alliance was 875 million yuan, 1.124 billion yuan and 1.532 billion yuan respectively, and the proportion of smart cameras in operating income was as high as 86.96%, 89.17% and 83.88% respectively.

　　Smart cameras products of Chuangmi Digital Alliance include indoor smart cameras, outdoor smart cameras and webcam. In the category of smart cameras, Chuangmi Digital Alliance really did a good job. According to the statistics of iResearch, the shipments of home cameras in China in 2020 and 2021 were 40.4 million and 46.5 million respectively, and the shipments of Chuangmi Digital Alliance smart home cameras in 2020-2021 were 8.04 million and 10.28 million respectively, with market share of 19.90% and 22.11%.

　　However, it is obviously not enough to rely solely on this explosion.

　　In 2020, Chuangmi Digital launched smart doorbells, smart doors, smart cat eyes, smart watches and other products; In 2021, it even entered the category of sweeping robots. We have been focusing on the creation of smart home security products, and the product line is becoming more and more messy.

　　These messy product lines have not brought smart cameras-scale income to Chuangmi Digital Alliance for the time being. In 2021, for example, smart cameras’s revenue accounts for 83.88%, smart watches for 4.33%, smart doors for 2.12%, and sweeping robots for only 0.68%.

　　Heavy dependence on Xiaomi, low gross profit margin

　　It is worth noting that Chuangmi Shulian relies heavily on Xiaomi, which is also a common problem of Xiaomi ecological chain enterprises.

　　From 2019 to 2021, the associated sales of Chuangmi Digital Alliance to Xiaomi Group were 779 million yuan, 851 million yuan and 916 million yuan, respectively, accounting for 89.09%, 75.69% and 59.79% of the company’s operating income in each period, showing a high proportion as a whole, but there is a downward trend year by year.

　　Chuangmi Digital Alliance is also aware of this problem and is making efforts to increase the sales of its own brand.

　　Xiaomi is a complex role of love and hate for Xiaomi eco-chain enterprises. On the one hand, Xiaomi eco-chain enterprises can rely on the advantages of Xiaomi’s brand and channel in the early stage to quickly turn a certain category into an explosive product; On the other hand, when these Xiaomi eco-chain enterprises grow and develop, they will not be satisfied with the low gross profit under the Xiaomi model and seek to establish their own brands instead.

　　According to the disclosure in the prospectus, under the sharing mode with Xiaomi, whether the company can make a profit depends on Xiaomi Group. For the customized products of Xiaomi in the sharing mode, Xiaomi Group will share the profits after they are finally sold through various channels of Xiaomi Group.

　　According to the data, in 2019-2021, the comprehensive gross profit margin of Chuangmi Digital Alliance was 15.50%, 17.98% and 19.75% respectively, which was generally lower than the average compared with the gross profit margins of comparable companies such as Fluorite Network, Meizhi Optoelectronics, Jimi Technology and Roborock.

　　Chuangmi Shulian explained that the gross profit margin of the company is lower than that of comparable companies, mainly because the product structure and business model of the company are different from those of comparable companies in the same industry. The company’s gross profit margin is lower than that of fluorite network. One of the main reasons is that the company’s Xiaomi mode revenue accounts for a relatively high proportion. Under the sharing mode with Xiaomi, part of the profits are shared by Xiaomi Group, so the gross profit margin is low.

　　In addition, Chuangmi Digital Alliance also has a competitive relationship with Xiaomi and other Xiaomi ecological chain enterprises. For example, in smart cameras products, Xiaomi Group not only purchases from Chuangmi Digital Alliance, but also purchases from Tianjin Hualai Technology Co., Ltd. and Shanghai Moxiang Network Technology Co., Ltd.; For example, in smart watches and sweeping robot products, Xiaomi brand also has its own products.

　　Is the wisdom gate an IQ tax?

　　In order to get rid of the dependence on smart cameras products, Smart Door is one of the key products of Chuangmi Digital Alliance.

　　First, the unit price of smart door products is higher, which is expected to bring more income; The second is that the smart door integrates many functions such as door lock, doorbell, cat’s eye, etc. At the same time, Chuangmi Digital Alliance intends to build it into an intelligent central control system for the whole house.

　　In 2020, Chuangmi Digital launched the Xiaobai Wisdom Gate H1, with a pre-sale price of 3,999 yuan and a daily retail price of 4,999 yuan. Chuangmi Digital has a 10-inch LCD screen embedded in the door, which can check the situation outside the door and control the indoor equipment.

　　This year, Chuangmi Digital Alliance has launched the BLADE STAR series of Xiaobai Wisdom Gate, with the original price starting from 12,999 yuan and the crowdfunding price of Xiaomi products starting from 7,999 yuan. This time, a 5-inch touch screen was embedded outside the door, and a 10.1-inch touch screen was embedded in the door.

　　Why put a screen on the door? The original intention of Chuangmi Digital Alliance is to use it as the entrance to control the intelligence of the whole house. In the process of intelligent landing in the whole house, with more and more intelligent devices in the house, it is difficult to control and operate only by mobile phones. Therefore, some enterprises want to add a screen control device to the refrigerator, and some enterprises want to use the TV as the control center. But in fact, no matter whether it is the door, refrigerator or TV, their control scenes are relatively simple, and it is not easy for users to develop habits.

　　From the data point of view, the sales volume of Chuangmi Digital Smart Door is not very good. In 2020, the sales volume was 4,800 units and the sales volume was 12,914,100 yuan. In 2021, the sales volume was 9,500 units and the sales volume was 32.533 million yuan. Chuangmi Digital Alliance is constantly raising the unit price of products to seek revenue growth.

　　It is worth noting that, unlike cameras, cat’s eyes and other products, the installation of smart doors is convenient, and the links involved are also very complicated.

　　Sina Technology saw on the e-commerce platform that many users who bought Chuangmi Xiaobai Smart Door H1 said that the installation service was handled by a third party, which led to frequent problems and poor after-sales service. One user said, "Don’t buy this door, it’s really rubbish and the service is rubbish!" According to his description, there are two main problems in this smart door. First, there is a problem with the door lock, and the lock core automatically rebounds, and the lock core is changed before it is used; Second, the door cover is not the right size, and there is a gap after installation, which makes it look ugly. When seeking after-sales service, it is difficult to connect the after-sales phone, and online customer service is also a unified reply, which does not solve the problem.

　　Another user also pointed out the size of the smart door. Because it does not support custom size, it is extremely ugly to install in a community with a large door. If you want to return the goods, you still need to pay thousands of yuan. "If you like smart locks and smart cat eyes, you can buy them directly. You don’t need to buy this door. It’s really rubbish after sale."

　　Even more, some users posted the post of "Xiaobai Wisdom Gate H1, Special Pit Xiaobai" on social networking sites, telling the story of being locked at home because of the door lock failure. "If, in case, any user is unfortunately trapped in a fire at home, this door will become an accomplice to murder!" He said in the post.

　　Is the moat of the accused patent infringement technology insufficient?

　　Chuangmi Digital also disclosed the risk of intellectual property litigation in the prospectus.

　　According to the prospectus, there are 15 unresolved intellectual property cases involving the defendant in the company. The cause of the case is that Hangzhou Hongyan Electric Appliance Co., Ltd. sued the company for infringing its invention patent right and utility model patent right, involving a lawsuit amount of 19 million yuan. The case involved in the lawsuit is still under trial. If the company loses the lawsuit in the future, or other parties file other lawsuits against the company in the course of business, it will have a certain adverse impact on the company’s financial status, operating performance and reputation.

　　What is the technical strength of Chuangmi Digital Alliance?

　　Data show that by the end of the reporting period, the company had 108 domestic patents, including 13 invention patents, 47 utility models and 48 design patents. It can be seen that the patents of Chuangmi Digital Link are mainly utility model patents and design patents, while invention patents account for a relatively low proportion.

　　In addition, in terms of R&D investment, the R&D expenses in 2019-2021 were 39.937 million yuan, 52.1502 million yuan and 78.8076 million yuan respectively, accounting for 4.57%, 4.64% and 5.14% of the operating income respectively.

　　Although the amount and proportion of R&D expenses of Chuangmi Lianlian have increased year by year, the R&D expense ratio is lower than the average of comparable companies in the same industry. In 2021, for example, the R&D expense rate of fluorite network is 11.57%, that of Meizhi Optoelectronics is 6.68%, that of Jimi Technology is 6.51%, and that of Roborock is 7.55%. In contrast, the data of Chuangmi Digital Alliance is relatively low.

　　tag

　　For Xiaomi eco-chain enterprises, joy is often accompanied by hardship.

　　Although Chuangmi Digital Alliance has reached the time of listing with the help of Xiaomi, it still has a long way to go in terms of product revenue structure, independence of independent brands, R&D investment, and user satisfaction of new products.

　　More importantly, after Xiaomi’s solo flight, how to tell the capital market a new story other than the explosive items is a huge test.

Can persuade one is another, soda water is really not suitable for everyone to drink for a long time.

Original Shanghai CDC Shanghai CDC

There is no fish in the fish-flavored shredded pork and no pineapple in the pineapple bag. So, is there soda in the soda water?

Current-saving version

1. Soda water contains baking soda (sodium bicarbonate), which can be divided into natural soda water and artificial soda water. The former contains not only sodium bicarbonate, but also various trace elements. The latter is prepared by adding food additives such as sweeteners and food flavors to the aqueous solution of sodium bicarbonate.

2. Drinking soda water properly is beneficial to health, but it is not suitable for patients with hypertension, hyperlipidemia, chronic kidney disease, gastritis with low gastric acid secretion, and healthy people should not drink soda water in large quantities for a long time.

Soda water contains baking soda instead of soda.

Soda water is not water containing "soda", in which "soda" refers to baking soda. Although there is a word difference between baking soda and soda, their chemical properties and application fields are very different.

The chemical name of baking soda is sodium bicarbonate (NaHCO3), also known as sodium bicarbonate and acid sodium carbonate. It is salty and soluble in water, and its aqueous solution is weakly alkaline. It is widely used in daily life, such as making steamed buns with dough, making soda and fire extinguishing agent, kitchen cleaner, removing stains and odor, preventing mildew and so on.

The chemical name of soda is sodium carbonate (Na2CO3), also known as soda ash and alkaline surface. Its aqueous solution is alkaline, irritating and corrosive, which can cause skin and eye burns in direct contact, and digestive tract burns, mucosal erosion, bleeding and shock in case of accidental ingestion. It is one of the important chemical raw materials, which is widely used in light industry, daily chemical industry, building materials, chemical industry, etc., and is widely used in glass manufacturing.

Natural soda water and artificial soda water contain different substances.

Soda water is a kind of drink containing 0.4-0.6 grams of sodium bicarbonate per liter, and its pH value is generally 7.5-9.0, which is weakly alkaline.

Commercially available sodas are divided into natural sodas and artificial sodas. Natural soda water not only contains sodium bicarbonate, but also contains many trace elements, such as boron, zinc, selenium and chromium. Artificial soda water is prepared by adding food additives such as sweeteners and food flavors to sodium bicarbonate aqueous solution. If carbon dioxide is pressed, it becomes "soda water" or "sparkling soda water". In terms of taste, "natural soda water" generally has no obvious taste, but "artificial soda water" adds flavor by adding edible essence.

Proper drinking is beneficial to human body, but it cannot replace boiled water.

Studies have proved that drinking soda properly can relieve the symptoms of indigestion and constipation, neutralize gastric acid, resist oxidation, prevent skin aging and help uric acid excretion. However, soda water is not suitable for all people.

The content of sodium ion in soda water is high, and a high-sodium diet will increase the risk of hypertension and cardiovascular diseases, and will also lead to the deterioration of chronic kidney disease. Therefore, patients with hypertension, hyperlipidemia and chronic kidney disease are not suitable for drinking soda water often. Healthy people should not drink a lot of soda water for a long time, otherwise it will easily lead to excessive sodium intake, which is not conducive to the health of the cardiovascular system.

In addition, soda water can only alleviate the acid reflux caused by excessive gastric acid secretion, and it is not suitable for gastritis patients with too little gastric acid secretion.

The price of soda water is not cheap, not as economical as boiled water. Everyone still chooses boiled water, and soda water is used as a daily taste regulator.

References:

[1] Gu Hong. Research status and functional analysis of soda water [J]. Agricultural Science and Technology and Equipment, 2010(1):65-66.

Fang Jing, Chen Yan, Gong Ruilan, et al. Dietary sodium and potassium intake and hypertension [J]. Progress in Physiological Science, 2023, 54(3): 235-239.

[3] Anonymous. A high-sodium and high-potassium diet will aggravate renal diseases [J]. Basic Medicine and Clinic, 2017, 37(2):175-175.

Three-year Action Plan for Strengthening the Construction of Public Health System in Shanghai

(2023-2025) Key Discipline GWVI-11.1-45

Contributed by Shao Junshan

Compilation: operating instrument

Draft review: Zhang Yun

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Original title: "Can persuade one is one, soda water is really not suitable for everyone to drink for a long time"

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Boundless Land Rover Range Rover Sport Edition presents the all-terrain strength of luxury sport SUV.

　　Only classics can compete with time; Only strength can break through the terrain challenge. In the exquisite and luxurious Land Rover Range Rover family, the launch of the Land Rover Range Rover Sport Edition not only further opened up the market segment of luxury sports SUVs, but also achieved passion control with strong power output, providing an innate foundation for all terrain and interpreting the brand spirit of Land Rover’s "heart is boundless".

A copy of _fororder_image001, which shows the all-terrain strength of a luxury sports SUV, is the heart of Land Rover Range Rover Sport Edition.

2022 Land Rover Range Rover Sport Edition

　　澎湃 power casts the "internal strength" of all-terrain strength

　　As a luxury sports SUV model with wild power of Land Rover Range Rover family, Land Rover Range Rover Sport Edition has made continuous breakthroughs in power technology to promote performance iteration through innovation.

　　Compared with the first-generation models, the second-generation Land Rover Range Rover Sport Edition launched in 2014 was equipped with two leading powertrains, making it one of the most sensitive and fast dynamic response models of Land Rover at that time: a 3.0-liter V6 supercharged gasoline engine with an 8-speed automatic transmission, which further improved the energy efficiency; Another 5.0-liter V8 supercharged engine only takes 5.3 seconds to accelerate 100 kilometers, and the top speed can reach 225 kilometers per hour, which improves the sensitivity of control and power output to a higher level.

Boundless Land Rover Range Rover Sport Edition presents the all-terrain strength of luxury sport SUV _fororder_image003.

2022 Land Rover Range Rover Sport Edition

　　At the same time, the Land Rover Range Rover Sport Edition continues to bring consumers richer and better power choices. In 2017, Land Rover Range Rover Sport Edition took the lead in applying the plug-in hybrid (PHEV) technology, combining the new Yingjieli engine with the advanced electric drive technology at that time, and leading the electrification development of luxury sports SUVs while demonstrating efficient and excellent performance. The 2019 Land Rover Range Rover Sport Edition became the first Land Rover brand to be equipped with a new Yingli 3.0-liter inline six-cylinder engine with 48-volt mild hybrid technology, realizing the "core" upgrade. For the first time, the 2020 Range Rover Sport Edition is equipped with a brand-new Yingli 3.0-liter twin-supercharged engine, matching with a 48-volt mild hybrid system, which not only further improves the output power, but also provides better ride comfort and response speed.

Boundless Land Rover Range Rover Sport Edition presents the all-terrain strength of luxury sport SUV _fororder_image005.

Land Rover Range Rover Sport Edition Plug-in Hybrid P400e

　　In addition, the Range Rover Sport SVR high-performance model built by Jaguar Land Rover’s special vehicle operation team has pushed the strong kinetic energy to a new height with the change of generations. The 2022 Range Rover Sport SVR Peak Collection Edition is equipped with a carefully adjusted 5.0-liter V8 supercharged gasoline engine, which provides a maximum output of 575 horsepower and a maximum torque of 700 Nm, proudly interpreting the unimaginable acceleration performance of 4.5 seconds at that time.

　　Inheriting all-terrain descent proudly across the world

　　Adhering to the brand spirit of "Boundless Heart", Land Rover brand has made great efforts to develop products with all-terrain capability since its birth, helping users calmly cope with the tests of various complex road conditions and climates. In its own subdivision, the Land Rover Range Rover Sport Edition is realized by constantly innovating technology to empower all-terrain capabilities, and the luxury sports style is raised to a new height.

Boundless Land Rover Range Rover Sport Edition presents the all-terrain strength of luxury sport SUV _fororder_image006.

Land Rover Range Rover Sport Edition Luxury Interior Deduces Luxury Sportsmanship.

　　Land Rover Range Rover Sport Edition adopts Terrain Response, a second-generation intelligent all-terrain feedback adaptive system, which can automatically switch between five modes: ordinary driving mode, grass/gravel/snow mode, muddy/rutting mode, sand mode and rock climbing, fully cope with all kinds of road conditions and meet the needs of all kinds of terrain. In addition, it also has an "automatic mode". In this mode, the system can accurately analyze the current driving situation of the vehicle, and automatically select more suitable vehicle settings according to different road conditions and terrain, making the tough all-terrain driving smarter.

　　At the same time, the lightweight body structure has improved the all-terrain experience again. Land Rover Range Rover Sport Edition is equipped with an "all-aluminum-loaded body structure", and adopts a strictly optimized combination of stamping, casting and extrusion aluminum alloy components, which on the one hand reduces the weight of the whole vehicle and optimizes the acceleration performance; On the other hand, it also brings better body rigidity and improves safety performance.

　　Fearless of challenges and launching an impact on the peak of glory.

　　Challenge yourself is written in the gene of Land Rover brand. As a performance model of its luxury sports SUV, Land Rover Range Rover Sport Edition is constantly challenging itself and has achieved many achievements. At the top of the mountain, the boundless desert, the natural snow trail and the surging spillway, the Land Rover Range Rover Sport Edition has left its powerful posture and immortal legend. In 2013, Land Rover Range Rover Sport took a climbing challenge in pikes peak, Colorado, USA. It took 12 minutes and 35.61 seconds to successfully conquer a 12.42-mile difficult climbing track with an average speed of 95.23 km/h. In the same year, the Land Rover Range Rover Sport Edition overcame the double difficulties of extremely hot roasting and flowing sand, and crossed the Lubhali Desert in 10 hours and 22 minutes. In 2016, the Land Rover Range Rover Sport Edition conquered 75% of the slope and an altitude drop of 2,170 meters in 21 minutes and 36 seconds, and completed the extreme challenge to the alpine downhill ski track. In 2018, Land Rover Range Rover Sport successfully challenged the world-famous "99-way bend" of Tianmen Mountain, and finally climbed 999 steps.

Boundless Land Rover Range Rover Sport Edition presents the all-terrain strength of luxury sport SUV _fororder_image008.

Land Rover Range Rover Sport Edition completes Tianmen Mountain Climbing Challenge.

　　Challenging the extreme terrain in the world is the proof of the pioneering and innovative spirit of Land Rover brand, and many honors are the certification of the exquisite luxury quality and outstanding all-terrain ability of Land Rover Range Rover Sport Edition. In the long river of time, Land Rover Range Rover Sport Edition is fearless of challenges and bold to move forward, showing the elegance of luxury sports SUV. In the future, the Land Rover brand will continue to join hands with users with "boundless heart" to turn the precipice into a smooth road and enjoy the peak scenery together. (Land Rover Range Rover for the picture)

Air conditioning compressor brand list

The following are some well-known air-conditioning compressor brands, in no particular order:

1. Danfoss

2. Copeland

3. Lennox

4. Carlyle

5. Brisbane

6. Pulse

7. Fujitsu

8. Miller

9. McQuay

10. Trane

These brands have high popularity and market share all over the world. However, it should be noted that different brands of air-conditioning compressors may be suitable for different application scenarios and needs, so they need to be decided according to their actual needs when choosing.

Audi A3 car also recommends 1.5T+ dry dual clutch (DCT).

The changes in appearance and modeling are still relatively positive, and the new model looks more fashionable. In terms of appearance, the Audi family-style vehicle appearance design is adopted, and the middle net is very large. The appearance of the lights on both sides is quite stylish, and it looks very energetic after all LEDs are lit. From the side waist, the new car is still a smooth design, the tradition of wide C-pillar can be continued, the rim shape is exquisite, and the visual effect is acceptable. At the same time, Founder’s rear tail echoes the front, and the design of penetrating taillights is also more interesting, which is very personalized after lighting.

As far as the interior of the car is concerned, the Audi A3 is more luxurious. The steering wheel for turning fur is made of leather, which has good feel and flexible operation, and can also be equipped with heating function. The whole center console is made of plastic and leather materials, which greatly enhances the sense of grade of the whole vehicle. It is equipped with a 7.0-inch central control suspended LCD screen, which is clear in display and standard in the whole system. The front row is also equipped with a manual air conditioning control system to freely debug the most comfortable space atmosphere. The leather seat looks very textured.

Audi A3 has a length of 4606mm, a body width of 1814mm and a wheelbase of 2730mm, which is quite satisfactory. In the same class, the wheelbase of Audi A3 ranks 14th. This size exceeds most models in its class. The actual interior space performance is also very good. From the actual ride experience, the front and rear rows are relatively spacious. The sunroof of Audi A3A3L Limousine 35 TFSI flying exclusive+luxury selection bag provides a wider view, which can create a better visual environment and good sensitivity for the rear passengers and increase the light penetration for the whole vehicle. Audi A3′ s trunk volume ranks 24th among the models of the same price and class. The shape is very regular, and the storage volume is absolutely no problem for daily use.

Audi A3 is equipped with a combination of 1.5 turbocharged engine (direct injection) and dry dual clutch (DCT). It will definitely bring unforgettable control charm. Ranked 10 th among 120,000-180,000 compact car models.

The active/passive safety configuration of Audi A3 is complete, includingAutomatic parking、Zero tire pressure endurance tire、Automatic parking、Steep slope descent、hill start assist control、knee airbag、HUD head-up display、Anti-lock braking (ABS)、Braking force distribution (EBD/CBC, etc.)、Brake assist (EBA/BAS, etc.)、Traction control (ASR/TCS, etc.)、Active noise reduction、Engine start and stop、Side safety air curtain、Wireless charging of mobile phone、night vision system、LED daytime running lights、Forward reversing radar、Tire pressure monitoring、Steering wheel heating、Body stability control (ESP/DSC, etc.)、Rear reversing radar、Fatigue reminder、Remote parking、Child seat interface、Lane keeping (LKAS)Equal configuration.

Among them,Automatic parkingYou can avoid stepping on the brakes for a long time or needing to pull frequently;Steep slope descentCan safely pass through steep slope road conditions at low speed;knee airbagReduce the injury of the car interior to the occupant’s knees in the secondary collision.

In addition to the above description, we can also go to the Easy Car Forum to browse more real car feedback from actual buyers, or use our experience.