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单词 waveband
释义
waveband
(wvbænd )
Word forms: wavebands
countable noun
A waveband is a group of radio waves of similar length which are used for particular types of radio communication.
Radio is turning digital, and wavebands and frequencies are disappearing from the facings and casings.
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更新时间:2024/9/21 17:48:47