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 |
随便看 |
|
物理辞典收录了3346条物理词条,基本涵盖了常用物理知识及物理英语单词词组的翻译及用法,是物理学习的有利工具。