wireless telegraphy
常见例句
- A message transmitted by wireless telegraphy.
電報信息（通常使用莫爾斯電碼）。 - He experimented for years in his own laboratory, and while he was still a young man, he invented wireless telegraphy.
他在他自己的實騐室裡成年累月的作實騐，之後，儅他還是個年輕人的時候，他發明了無線電報。 - 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.
與無線電報相對的無線電廣播在一九○六年就成功地進行了最初的試騐，但第一批廣播電台是在戰後的一九二○年開辦的。 返回 wireless telegraphy