Looking through the circle of friends, it seems that the most discussed topic recently is the sanctions imposed on Huawei by the other side of the Pacific Ocean.
So at this time, will we electronic en
[i=s]This post was last edited by QWE4562009 on 2021-12-8 19:14[/i]We see that body fat detection, high-frequency radio frequency circuits, or ultrasonic detection all choose to use sine waves instead