基本解釋衰變英漢例句雙語例句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。beta disintegration更多例句詞組短語短語energy beta -disintegration 貝他蛻變能beta disintegration energy 衰變能double -beta disintegration 雙貝他蛻變ground state beta disintegration 基態(tài)衰變;基態(tài)貝他衰變beta disintegration更多詞組專業(yè)釋義物理學衰變冶金工程技術衰變機械工程貝他蛻變