英语词汇“secondary emission”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	secondary emission
释义	secondary emission (once / 5909656 pages) n WORD FAMILY secondary emission: secondary emissions USAGE EXAMPLES It accounted for over 95 percent of total spot and secondary emissions offset trading. Reuters(May 30, 2012) n the emission of electrons from a surface that is bombarded by higher energy primary electrons Hyper emission the release of electrons from parent atoms
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