英语词汇“cathode ray”是什么意思，“cathode ray”的读音、用法及例句翻译-乐坝网

词汇	cathode ray
释义	cathode rayn.（名词） A stream of electrons emitted by the cathode in electrical discharge tubes.阴极射线：电子发射管的阴极放出的电子流 One of the electrons that is emitted in a stream from a cathode-ray tube.高速电子：阴极射线管放出的电子流中的电子
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