英语词汇“cold cathode”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	cold cathode
释义	WordReference Random House Unabridged Dictionary of American English © 2024 cold′ cath′ode, [Electronics.] Electronicsa cathode, in an electron tube (cold′-cath′ode tube′) or lamp, that emits electrons without having to be heated. 1925–30 Collins Concise English Dictionary © HarperCollins Publishers:: cold cathode n a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface
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