短語詞組短語in source decay 源內(nèi)裂解spectra in alpha decay 阿伐衰變譜To aid in the decay 虔求永恒barrier penetration in alpha decay 阿伐衰變內(nèi)障壁貫穿heat emission in radioactive decay 放射性衰變之熱發(fā)散octet rule in hadronic decay 強(qiáng)子衰變的八重律neutrino emission in beta decay 貝他衰變中微中子發(fā)射magic number in alpha decay 阿伐衰變魔數(shù);阿伐衰變巧數(shù)matrix element in beta decay 貝他衰變矩陣元素 返回 in decay