| 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。 |