“pass element”的概念、定义、翻译、参考文献-科学参考

单词	pass element
释义	pass element [`pas ´el·ǝ·mǝnt] ^ELECTRONICS Controlled variable resistance device, either a vacuum tube or power transistor, in series with the source of direct-current power; the pass element is driven by the amplified error signal to increase its resistance when the output needs to be lowered or to decrease its resistance when the output must be raised.
随便看	polar meteorology polar migration polar modulation polar molecule polar mutations polar navigation polar night polar normal polar nucleus polarogram polarographic analysis polarographic cell polarographic maximum polarography polaron polar orbit polar outbreak polar plumes polar projection polar radiation pattern polar reciprocal convex bodies polar regions polar relay polar resolution polar sequence

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