pulse sending 中文意思是什麼
pulse sending
解釋
脈沖發送-
Soon marconi ' s own spark - gap transmitters are sending morse - code pulse streams across his lab without wires
不久,馬可尼自製的火花放電發送機,就能以無線的方式在實驗室里傳送摩斯電碼脈沖流了。
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