space telegraphy
英
美
- 无线电报
双语例句
- 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。
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