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单词 attenuator
释义
N5937720attenuatorSpoken.0Fiction.0Magazine.2Newspaper.2Academic.16

attenuator

/əˈtenjʊeɪtə(r)/
noun
a device consisting of an arrangement of resistors which reduces the strength of a radio or audio signal
(减弱无线电或声频信号强度的)衰减器。
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