“crystal pick-up”的概念、定义、翻译、参考文献-科学参考

单词	crystal pick-up
释义	crystal pick-up Physics 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.
随便看	partial autocorrelation coefficient partial autocorrelation function partial condenser partial confounding partial correctness, proof of partial correlation partial derivative partial differential equation partial differential equations partial differentiation partial eclipse partial equilibrium deduction deduction theorem deductive apparatus deductive closure deductive closure principle De Duve, Christian René de-emphasis Deep Blue deep case deepening Deep Impact deep inelastic scattering deep level transient spectroscopy

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