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单词 θ198280
释义
society > communication > telecommunication > [noun] > signal > frequency or band of frequencies > frequency changer (2)
frequency changer1902

a machine, circuit, or component that changes an alternating current of one frequency into one of another frequency; spec. in a superheterodyne…

frequency converter1909

a frequency changer.

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更新时间:2025/1/24 10:51:25