关于激光的英文"laser",以下哪一项是正确的

A . A.Lightactivation by stimulation emanationofradiation B . B.Luminant amplimeter by stimulation emission of radiation C . C.Light activation by strong emission of radiation D . D.Luminant activation before strong emission of radiation E . E.Light amplification by stimulation emisssion of radiation

时间:2022-10-05 22:48:15 所属题库:内科学题库

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