释义 |
space telegraphy 基本例句 无线电报 Wireless telegraphy, the phonograph and the radio are based on this law.无线电报,留声机和无线电广播都基于这个法则。 He experimented for years in his own laboratory,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。 |