0 an extremely small piece of matter with a positive electrical charge, produced when a radioactive atom is broken down, usually in a nuclear reaction -- partícula alfa
中文繁体
α粒子（放射性原子分裂時所產生的帶正電荷的微小粒子，通常在核反應時產生）…
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α粒子（放射性原子分裂时所产生的带正电荷的微小粒子，通常在核反应时产生）…
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cząstka alfa…
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nükleer reaksiyonda oluşan pozitif elektrik yüklü oldukça küçük maddecik…
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