You are able to Evaluate a waveform of one section having a waveform of An additional stage or Review by using a Earlier measured waveform on the same take a look at place. Page sixty nine: Conversation- Ng??i trúng th??ng có th? l?nh th??ng m?t l?n thông qua hình th?c chuy?n kho?n ho?c ti?n m?t. trong m?t kho?n th?i gian nh?t ??nh tr??c khi ?