英语词汇“Rays,Alpha”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	Rays,Alpha
释义	Rays,Alpha 《英文msh词典》Rays,Alpha [入口词] Rays,Alpha [主题词] Alpha Particles [英文释义] Positively charged particles composed of two protons and two neutrons,i.e.,helium nuclei,emitted during disintegration of very heavy isotopes; a beam of alpha particles or an alpha ray has very strong ionizing power,but weak penetrability.
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