英语词汇“radioactive decay”是什么意思，“radioactive decay”的读音、用法及例句翻译-烛光网

词汇	radioactive decay
释义	radioactive decayn.（名词） Spontaneous disintegration of a radioactive substance accompanied by emission of ionizing radiation in the form of particles and gamma rays.放射性衰变：放射性物质的自发的分裂，伴随有放出微粒或r射线形式的电离辐射
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