英语词汇“alpha particle”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	alpha particle
释义	WordReference Random House Unabridged Dictionary of American English © 2024 al′pha par′ticle, [Physics.] Physicsa positively charged particle consisting of two protons and two neutrons, emitted in radioactive decay or nuclear fission; the nucleus of a helium atom. 1900–05 Collins Concise English Dictionary © HarperCollins Publishers:: alpha particle n a helium-4 nucleus, containing two neutrons and two protons, emitted during some radioactive transformations
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