略語大辞典 [Phys] 26 ECM electron collisional mixing 電子衝突混合. 電子衝突による原子の電子状態の励起または緩和. electron collisional mixing; of electronic states of an atom; an excitation or deexcitaion process of an atomic states; [Phys:E]. 丸善「略語大辞典」JLogosID : 11873100