关于激光的英文“laser”,正确的是A、light activation by stimulation emanation of radiationB、luminant amplimeter by stimulation emission of radiationC、light activation by strong emission of radiationD、luminant activation before strong emission of radiationE、light amplification by stimulation emission of radiation
关于激光的英文“laser”,正确的是
A、light activation by stimulation emanation of radiation
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 emission of radiation
相关考题:
Which of the following modes of heat transfer does NOT require any physical contact between a warmer and a cooler substance?A.RadiationB.ConductionC.Natural convectionD.contact directly
关于激光器的说法错误的是?A.1960年第一台红宝石激光器问世B.LASER的涵义是受激辐射光放大,钱学森最早提出“激光”这种译法C.激光器的工作物质很多,包括气体,晶体,半导体等等D.激光器不需要谐振腔