“line frequency”的概念、定义、翻译、参考文献-科学参考

单词	line frequency
释义	line frequency [`līn ´frē·kwǝn·sē] ^ELECTRONICS The number of times per second that the scanning spot sweeps across the screen in a horizontal direction in a television system. Also known as horizontal frequency; horizontal line frequency.
随便看	pull crack pull-down menu puller pulley pulley lathe pulley stile pulley top pulling pulling figure pulling pillars pull-in torque pullorum disease pull-out torque pull rope pullshovel pull strength pull tube pulmonary anthrax pulmonary artery pulmonary circulation pulmonary edema pulmonary plexus pulmonary stenosis pulmonary valve pulmonary vein

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