英语词汇“primary emission”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	primary emission
释义	primary emission primary emission [′prī‚mer·ē i′mish·ən] (electronics) Emission of electrons due to primary causes, such as heating of a cathode, and not to secondary effects, such as electron bombardment.
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