The mixture gas of N_2,CD_4 and He(or D_2) is used in DCN laser. The laser output power is 0.2W at the 1.54THz.是什么意思_The mixture gas of N_2,CD_4 and He(or D_2) is used in DCN laser. The laser output power is 0.2W at the 1.54THz.在线翻译_英语_读音_用法_例句