电报信号 meaning in Chinese

telegraph signal

There is a greater appreciation of the message which is heard without the influence of extraneous sounds .
声音听得更清晰，因为没有外界杂音的干扰，每一个电报信号都能听见。
Telegraph signal generator
电报信号发生器
Conditions resulting from decisions based on demodulated telegraph signals
由基于解调的电报信号的那些判定所导致的一些状态。
He was already an expert on the telegraph before he came up with a gadget that sent telegraph signals between unmanned stations
他发明的这种装置，用于在无人看管的两站之间传输电报信号，在此项发明前，爱迪生就已经是位电报专家了。