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	cold cathode noun : a cathode in an electron tube or fluorescent lamp that is unheated and that emits electrons when bombarded by ions or subjected to light, infrared, or ultraviolet rays < cold-cathode tube >
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