【English for Physics】laser

【laser激光 ： light amplification  by stimulated emission of radiation  受激辐射光放大】 amplification [U] 放大 amplify vt. ①放大 stimulated a. 受激的 emission [U]①（光、热、气の）发出，射出，排放 radiation ② 辐射的热or能量 【补】：transition [C]跃迁，转变 [a change of an atom, nucleus, electron from one quantum state to another, with emission or absorption of radiation] scattering n. （电磁波or粒子の）散射 [the process in which electromagnetic radiation or particles are deflected or diffused]