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单词 superheterodyne
释义

superheterodyne /soo- or sū-per-hetˈ(ə-)rə-dīn/

adjective

Of a type of radio or TV reception in which the incoming signal is mixed with a locally generated signal giving output of a signal of carrier frequency, but containing all the original modulation, which is then amplified and demodulated

noun

A superheterodyne receiver

ORIGIN: super- (3)
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更新时间:2026/6/7 5:37:58