I saw on the Internet that the new coronavirus has a very long incubation period and is highly contagious, making its spread more hidden and difficult to prevent. Will the new coronavirus go away when...
Hello everyone,I recently have a problem with poor contact wires flowing into the production line. Currently, I use the CT-8681 wire tester to test the wires using the short circuit function, but it s...
I once answered a question from a netizen: "If an insulating object with a static electricity core moves at high speed, either in a straight line or in a circle, will a magnetic field be formed around...
[size=4][color=#000000][backcolor=white] When writing programs in C language, we often encounter such a situation: we want to define a global variable in the header file, and then include it in two di...
Recently, during the Boao Forum for Asia in Hainan, Lou Qinjian, Vice Minister of the Ministry of Information Industry, gave a clear answer to the question of "when will 3G licenses be issued" and sai...