Wind power advantages1, the wind is a clean energy source. He is more pure, does not harm the natural environment, the use of environment to take advantage of t...

The kinetic energy of the wind into mechanical kinetic energy, and then put the mechanical energy into electricity kinetic energy, this is wind power. The princ...

Satellite antenna 5 g interference of the solution:(1) shall be: add 5 g interference C band filter. Adding C band interference filter is still not enough to co...

On October 2, 1925 in the morning, the UK electrical engineer John luo ji baird, developed from his image in the receiver, clearly received a performance with t...