radioactive alpha decay放射性阿尔法衰变
radioactive E decay放射衰变现象;放射性衰变
radioactive-decay rate放射性衰变率
radioactive-decay curve放射性衰变曲线
radioactive element decay放射元素衰变
radioactive source decay放射源衰变
radioactive-decay period放射性衰变周期
radioactive-decay product放射性衰变产物
radioactive-decay coefficient放射性衰变系数
N(名词) disintegration of a nucleus that occurs spontaneously or as a result of electron capture. One or more different nuclei are formed and usually particles and gamma rays are emitted 放射性衰变 (Sometimes shortened to decayAlso called disintegration)