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关于激光的英文"laser"，以下哪一项是正确的
A:Lightactivation by stimulation emanationofradiation
B:Luminant amplimeter by stimulation emission of radiation
C:Light activation by strong emission of radiation
D:Luminant activation before strong emission of radiation
E:Light amplification by stimulation emisssion of radiation

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出自：住院医师规范化培训

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