wireless telegraph 无线电报
wireless telegraph fog signal 无线电雾号
wireless telegraph operator 报务员
wireless telegraph communication 无线电报通信
wireless telegraph station 无线电报台 ; 无线电报站
Marconi Wireless Telegraph Company 电报公司
They invented the first electric bulb, wireless telegraph, helicopter, bomber, colored photography and TV-set.
他们发明了第一盏电灯泡，无线电话，直升飞机，轰炸机，彩色摄影以及电视机。
Many leading scientists and constructors originated from Russia. They invented the first electric bulb, wireless telegraph, helicopter, bomber, colored photography and TV-set.
许多顶级的科学家和工程师来自俄罗斯。他们发明了第一盏电灯泡，无线电话，直升飞机，轰炸机，彩色摄影以及电视机。
In Phase I, communications and media policy primarily referred to the emerging technologies of telegraph, telephony and wireless.
在第一阶段，传播与媒介政策主要涉及的对象是新兴的电报、电话和无线电技术。
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