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0 Introduction
With the improvement of socialist democracy in China, voting machines are increasingly widely used as a fair, fast and accurate voting tool. Through voting machines, delegates ca...[Details]
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Some camera CRTs use 11.4cm (4.5-inch) pure flat CRTs as display components. The anode voltage of the high-voltage components is +20kV, the focusing electrode voltage is +3.2kV, the accelerating ele...[Details]
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China Energy Storage Network
: I believe that energy internet is actually the application of internet technology and renewable energy to all aspects of energy extraction and distribution; cha...[Details]
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Affected by the global chip shortage and mining demand, the prices of solid-state drives (SSDs) and mechanical hard drives (HDDs) on the market have begun to rise, and there are even signs of large-s...[Details]
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A netizen on Zhihu asked a question called "How do you view OPPO's success?", which attracted a lot of attention. Among them, the answer of @飞傲James, a former OPPO employee, current OPPO shareholder,...[Details]
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On January 31, the procurement and trading platform of Kehuan Group released the EPC bidding announcement for the energy storage power station of the multi-form advanced composite energy storage in...[Details]
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Since the 1990s, optical communication has developed rapidly due to its wide bandwidth, large capacity, strong anti-interference and strong confidentiality, and has played an increasingly important r...[Details]
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Samsung Electro-Mechanics has officially confirmed that it will end its RFPCB (Rigid-flex PCB) business. As Apple is one of its RFPCB customers, who will take over Apple's orders has attracted attent...[Details]
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Digitally adjustable step-down voltage regulator circuit Most power supplies need to provide a fixed output, but in applications such as motor control and thermoelectric cooling, a microprocessor i...[Details]
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The high data transmission rate required by wireless communication systems has led people to research and develop more advanced and efficient coding and modulation technologies to improve the effic...[Details]
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introduction
The continued rapid economic development and the widening gap between electricity supply and demand have created a natural space for the self-provided power supply system to d...[Details]
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Features of high-low-high frequency converter
It is named after the low-voltage or general-purpose inverter is applied in medium- and high-voltage environments by using the step-down transform...[Details]
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The multimeter can detect LED using the diode mode LED is also a diode and has the same unidirectional conduction characteristic, which only allows current to flow from the positive pole to the n...[Details]
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Large-scale LED display systems are generally divided into two parts: the main control board and the display driver module.
1. Display driver module
Large LED display systems use progress...[Details]
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CATL has launched another big move, the "Xiaoyao Battery" designed specifically for hybrid vehicles. As the world's first product with a pure electric range of over 400km and support for 4C superch...[Details]
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