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单词
wave trap
释义
WordReference Random House Unabridged Dictionary of American English © 2024
wave
′
trap′,
[
Radio.
]
Radio and Television
a resonant-circuit filter between the antenna and the receiver for the suppression of unwanted frequencies. Cf.
resonance
(def. 5).
1920–25
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更新时间:2024/9/20 13:32:15