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Modern telecommunication systems have very high requirements for the quality of DC power supply voltage. The voltage is not allowed to be interrupted instantly, and its fluctuation, transient and nois...[Details]
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High-power
LEDs
are increasingly being used in traffic lights, illuminated billboards, streetlights, airport runways, railroad crossings, medical/surgical
lighting
, and traffic...[Details]
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Abstract
: This paper makes a brief analysis of the principles of microcomputer
relay protection,
which is increasingly widely used in the field of relay protection
, from the aspects of ha...[Details]
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For a good engine, besides power and torque, engine thermal efficiency is equally important, because higher engine thermal efficiency often means more fuel efficiency, which is more practical at a ti...[Details]
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Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The...[Details]
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On the afternoon of November 18, vivo officially released its new system OriginOS, focusing on its design concept. After the meeting, Sina Digital interviewed Ge Yanan, Director of User Experi...[Details]
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1. Registration of commands 2. Command call 3. Execution of commands 4. Command return 1 Command registration (taking help as an example) cmd/help.c 10 static int do_help(struct cmd_tbl *cmdtp, ...[Details]
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Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
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This article describes the method of using a multimeter to detect field effect tubes. Method of using a multimeter to detect field effect tubes . Determination of D pole (drain) and S pole (so...[Details]
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On April 30, according to 91Mobile, the complete specifications and prices of Xiaomi Note 10 Lite were exposed by a Russian e-commerce website. It is not difficult to see from the name that X...[Details]
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4月28日晚间，维信诺（002387.SZ）披露2021年度报告显示，公司持续导入一线品牌客户效果显著提振当期业绩，报告期内实现营业收入45.44亿元，同比增长32.32%；其中AMOLED产品实现营收43.89亿元，同比增长103.62%。同时，公司经营性现金流大幅增加153.03%，同比主营业务经营状况持续改善。2022年一季度，维信诺AMOLED产品营收延续大幅增长，实现营业收入14.90...[Details]
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Menu Introduction 2.1 Turn on the power switch, the LCD screen displays the instrument model name as shown in Figure 1, and after about 3S, it enters the current selection interface, as shown in Fi...[Details]
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The car rain and light sensor is a new generation of vehicle-mounted intelligent sensor that integrates an infrared rain sensor and an ambient light sensor. The vehicle can automatically control the ...[Details]
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As the technology of autonomous driving is advancing rapidly, many image capture and safety controls of vehicles rely on sensors, but many organizations point out that sensors cannot meet safety requ...[Details]
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1. Overview
CNC (Computer Numerical Control) machine tools are automated machine tools controlled by computer programs and are widely used in metal processing, mold manufacturing and other fie...[Details]
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