long wave
英
美
- 长波
详细释义
Noun:
-
a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
双语例句
- 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。
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