非电的 meaning in English

non-electric

In electrical communications the information source provides an electrical signal , usually derived from a message signal which is not electrical ( e . g . sound ) , to a transmitter comprising electrical and electronic components which converts the signal into a suitable form for propagation over the transmission medium
在电通信中,信息源提供一个电信号到传输器上,这个电信号通常来源于一个非电的消息信号例如声音.传输器由电器件和电子器件构成.它把信号转化为一个合适的形式,从而在传输媒介上传播