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long wave的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
long wave的用法和样例：
例句
- In radio communication, either short or long waves may be used.
无线电通讯可以采用短波也可以采用长波。 - Short wave lengths correspond with high frequencies,and long wave lengths to low frequencies.
短波波长和高频相对应，长波波长与低频相对应。
