wireless telegraphy
常见例句
- A message transmitted by wireless telegraphy.
电报信息（通常使用莫尔斯电码）。 - He experimented for years in his own laboratory, and while he was still a young man, he invented wireless telegraphy.
他在他自己的实验室里成年累月的作实验，之后，当他还是个年轻人的时候，他发明了无线电报。 - Voice radio, as opposed to wireless telegraphy, was first successfully tried in 1906, but the first broadcasting stations were opened in 1920, after the war.
与无线电报相对的无线电广播在一九○六年就成功地进行了最初的试验，但第一批广播电台是在战后的一九二○年开办的。 返回 wireless telegraphy