Lithium-ion battery market: gold mines to be mined
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The protagonist in the era of green batteries has caused a confrontation between lithium-ion batteries and nickel metal hydride batteries. Chen Liquan, an academician of the Chinese Academy of Engineering, even said: "Lithium-electric cars are a rare historical opportunity in Chin…

How to choose a suitable industrial switch in video surveillance?
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Video surveillance is widely used in modern cities, and surveillance equipment is installed in all road points and public areas. As the performance of high-definition video surveillance cameras is getting higher and higher, a series of problems such a…