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單項選擇題

關(guān)于激光的英文“l(fā)aser”,以下哪一項是正確的()

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

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