1.The term laser is an acronym for light amplification by stimulated emission of radiation, or a light amplifier.
这个术语激光的全称是经过受激起射光扩展，或许一个光缩小器。
2.Light Amplification by Stimulated Emission of Radiation?
激光，激光器，受激辐射式光放大器LASER？。
3.The term laser stands for light amplification by stimulated emission of radiation.
“激光”这个术语原意是利用辐射的受激发射来放大光波。