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- 低频扬声器设计用来再现低音频率的扬声器
A loudspeaker designed to reproduce bass frequencies.
- 他变换了无线电传送的频率。
He varied the transmission frequency.
- 一个频带的上下界频率之差,单位用赫兹表示。
The difference, expressed in Hertz, between the two limiting frequencies of a band.
- 近年来死亡事故发生的频率已经下降。
Fatal accidents have decreased in frequency over recent years.
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海词词典,十七年品牌