常見例句

雙語例句

• Any of three processes of radioactive disintegration in which a beta particle is spontaneously emitted by an unstable atomic nucleus in order to dissipate excess energy.
  某些不穩(wěn)定原子核爲(wèi)耗散其過賸能量而自發(fā)發(fā)射一個β粒子的三種放射性衰變過程的統(tǒng)稱。
返回 beta disintegration