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
正确答案:E
答案解析:有
微信扫一扫手机做题