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单词 beta particle
释义

beta particle

noun
/ˈbiːtə pɑːtɪkl/
/ˈbeɪtə pɑːrtɪkl/
(also beta ray
/ˈbiːtə reɪ/
/ˈbeɪtə reɪ/
)
(physics)
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  1. a fast-moving electron that is produced when some radioactive substances decay (= start to break down)
    • the properties of beta particles
    • beta particle emission
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更新时间:2024/9/22 11:19:32