It is possible to Evaluate a waveform of one period using a waveform of Yet another section or Look at with a previously calculated waveform on exactly the same check position. Website 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