英语词汇“ultralow frequency”是什么意思，“ultralow frequency”的读音、用法及例句翻译-烛光网

词汇	ultralow frequency
释义	ultra·low frequency AHD[ŭl'trə-lōʹ] D.J.[ˌʌltrəˈləʊ]K.K.[ˌʌltrəˈlo]n.（名词）abbr. ULF【缩写】 An electromagnetic wave whose frequency is less than 3,000 hertz.极低频率：频率少于3000赫兹的电磁波
随便看	uncover uncovered uncovered option uncreated uncredentialed uncredited uncrewed uncritical uncross uncrowded uncrowned unction unctions unctuous uncultivated uncultured uncurl uncus uncut undamaged undamped undated undauntable undaunted undead

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