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1. Design principles of lighting power supply and distribution system (1) Improve reliability, reduce power outages and mutual influence; (2) Ensure and improve voltage quality, reduce the impact of voltage deviation and voltage fluctuation (3) Convenient management, operation an
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Before programmers write a program, they usually consider the flow of the program before starting to write the program. Only those who have written programs can understand the concept of "programs are flowing". If a program written by a person does not run as expected, it is most
Three basic structures of structured programming
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From June 30 to July 2, the 2022 China Shandong (Qingdao) International Health Care Industry Expo was held at the Qingdao International Convention and Exhibition Center. This expo has more than 350 companies and nearly 10,000 aging-friendly products and service models on display.
Senior Care Exhibition: Look at the progress and trends of the industry
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The day before the Xiaomi 12S series was released on July 3, today is the last day for the Xiaomi 12S series to be warmed up. When everyone was expecting Lei Jun to come up with some clever tricks, Lei Jun suddenly made a U-turn. He said: Today we talk about Xiaomi 12S Pro.
Lei Jun: Today we talk about the very Pro Xiaomi Mi 12 Pro
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In recent years, domestic science and technology has experienced rapid development, but behind the seemingly prosperous life, there are also many hidden dangers. The problem of "lack of core and lack of soul" that has troubled us for a long time has not been solved well so far. T
Not only Japan, but also new technologies from Chinese companies have successfully gotten rid of photolithography machines. Will ASML be "defeated"?
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Obviously, JD.com is not satisfied with being just an e-commerce company. JD.com still has many things to do. In May this year, JD.com’s fashion home business was fully upgraded to “JD New Department Store”, which is an in-depth integration of JD’s existing apparel, home, beauty,
JD.com’s first “new department store” store in the country has opened in Chengdu! Will the new department store be a bad move?
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Unlike the flagships of many competitors, the vivo X series flagships embody vivo's exploration in mobile phone image configuration, performance, screen, etc. In the fierce market competition, the vivo X series has gradually developed into a representative of comprehensive high-e
There is still a small amount of 12G+512G in stock, and the vivo Dimensity 9000 flagship is popular among Chinese people.
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LTA crew maneuver Pathfinder 1 in a hangar at Moffett Airport (Image: LTA Research) Work is well underway to build the world's largest airship, which could make its first flight before the end of the year.
LTA Research airship company is building the world's largest airship and is expected to make its first flight by the end of the year
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Nowadays, all major mobile phone manufacturers are working hard, especially in the field of cutting-edge technology, they want to prove themselves with their strength. For example, in terms of fast charging, Xiaomi OV Honor is striving to be the best. However, due to the limited
180W fast charging + 4800mAh battery, Realme GT Neo5 is highly anticipated
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As smartphones continue to improve, the prices of many mobile phones are also rising. For example, the flagship mobile phones of Huawei, Samsung, and Apple are all at the top of the pyramid in terms of price. Any one of them starts at more than 5,000, and even sells To 10,000 yua
iPhone 14 Pro Max could be the most expensive iPhone ever
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As we all know, due to the late start of my country's industrialization and the "comprador" concept in the early stages of development, we are controlled by others in many key areas, especially in the field of semiconductor chips. Domestic companies can only rely on imports.
Xiaomi injects new vitality into domestic chips, Lei Jun deserves praise
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Today I’m going to dismantle a project that charges hundreds of dollars outside. The project is all about packaging. Is it worth the few hundred? Let me analyze and dismantle it? I haven’t tested this project, but it is 100% playable. Unlimited play is unlikely. There should be n
Earn 200+ a day Jingdong project dismantling
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On July 4th, that is, tomorrow, we will usher in a new generation of nova 10 series. I believe I don’t need to say more about its appearance and configuration. Fans who follow Huawei also know it, but this time the nova 10 The new product launch conference is not only about mobil
Comparing with Apple, Huawei’s new products will be launched this month, and the names are so familiar
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The world is so big and the universe is so vast. Why is the world developing so fast now but society is changing? What makes the efforts of individuals and institutions turn into competition within the same industry?
No two leaves are the same: how to unlock involution?
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Nowadays, e-commerce new retail is really popular. Even many friends around the editor say that they basically don’t go to offline stores anymore. They just buy and place orders on their mobile phones and pick up express delivery. And online The price is much cheaper and there ar
Andelihuijuyunjia: New retail is coming, have physical stores been affected?
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Why are e-commerce companies killing physical entities in China? Because the service is poor and prices are high. How to break the cold winter in the retail industry? Entrepreneurs who opened physical stores in China complained that when some consumers buy computers and cameras,
How to break the cold winter of physical retail industry? Why are entities killing e-commerce in Japan? China is the opposite
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Nowadays, we all live in a developed era, and many items have been updated! In the past, I thought these things were very easy to use and solved many life problems. But looking back, although I have memories, I have to admit that they do have many shortcomings. We all hope that w
There are more than 3 of the 5 household objects that "symbolize poverty alleviation", indicating that they live a comfortable life
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[Adjustment Matters] 1. The physical education and health examination for the third grade of junior high school is cancelled, and the full score of 24 points will be included in the students' total physical education and health score in the high school entrance examination. The t
New changes in the 2022 high school entrance examination admission policy (for reference only)
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At present, academic qualifications are becoming more and more important in society, especially for graduates who are about to find a job. A good academic qualification is equivalent to the company's first impression of you. Therefore, more and more people are pursuing good acade
The graduation certificates of four universities in Shanxi are like waste paper and have been exposed by major official media. Everyone should be cautious when applying.
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Introduction: With the announcement of college entrance examination results in various provinces, the high school entrance examinations in various places are basically coming to an end. Because the high school entrance examination is a municipal selection, everyone's attention to
Vocational high school students moved into a new dormitory. Parents couldn't help crying after seeing it. They said bluntly: It's really heartbreaking.
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As mentioned before, Buddhism is a big pit, and fellow Taoists must not study it in depth. However, we must say that many things in Buddhism are a bit "similar" to patients with mental illness. Therefore, I have also gone further and further on the road of delusion. If you have e
Anxiety, depression, neurosis, sudden and inexplicable emotions
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Perhaps even Jay Chou himself will have a question: Is there really no music for everyone to listen to? "The Chinese music scene is dead", "There are no good new songs", "This generation has no collective memory", similar laments have been expressed in recent years One after anot
Jay Chou: What is it, there are no other songs to listen to?