英语词汇“extremely low frequency”是什么意思，“extremely low frequency”的读音、用法及例句翻译-乐坝网

词汇	extremely low frequency
释义	extremely low frequencyn.（名词）abbr. ELF【缩写】 A radio frequency below 300 hertz.最低频：低于300赫的无线电频率
随便看	reconnaissances reconnoissance reconnoiter reconnoitered reconnoitering reconnoiters reconnoitre reconnoitred reconnoitres reconnoitring recons reconsider reconstitute reconstruct reconstruction Reconstructionism reconstructive reconvert reconvey record record record changer recorded recorder recorders

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