radio emission是什么意思 radio emission怎么读
radio emission的英文翻译是什么意思，词典释义与在线翻译
Noun:- an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
radio emission的用法和样例
- Are the ship's main radio transmitter aerials earthed and radars switched off?
船上主要的无线电发射天线是否已接地，雷达设备电源是否已断开？ - A numbers station is a government operated radio station broadcasting intermittently on the short-band frequencies.
电台是政府操作的无线电发射站，间歇地发射短波频率。
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