Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
진폭변조는 아날로그 신호를 전송하는 데 사용됩니다.jinpokbyeonjo-neun anallogeu sinhoreul jeonsonghaneun de sayongdoemnida.Amplitude modulation is used to transmit analog signals.