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单词 crystal pick-up
释义 crystal pick-up
A pick-up in a record player in which the mechanical vibrations produced by undulations in the record groove are transmitted to a piezoelectric crystal, which produces a varying electric field of the same frequency as the sound. This signal is amplified and fed to loudspeakers in order to recreate the sound
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更新时间:2025/6/24 0:10:44