英语词汇“cathode ray”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cathode ray
释义	WordReference Random House Unabridged Dictionary of American English © 2024 cath′ode ray′, Electronicsa flow of electrons emanating from a cathode in a vacuum tube and focused into a narrow beam. 1875–80
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