词汇 | beta particle |
释义 | beta particle noun [ C ] physics specialized uk/ˈbiː.tə ˌpɑː.tɪ.kəl/ us/ˈbeɪ.t̬ə ˌpɑːr.t̬ə.kəl/ ß粒子(在原子放射性衰变中产生的一种粒子,带一个正电荷或负电荷) an extremely small piece of matter with a positive or negative electric charge, produced when a radioactive atom is broken down |
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