A CW silver ion laser by hollow cathode discharge is described. The device structm-e and some experimental results are presented. An output power of 30 mW has been obtained with 50 em long discharging length.是什么意思_A CW silver ion laser by hollow cathode discharge is described. The device structm-e and some experimental results are presented. An output power of 30 mW has been obtained with 50 em long discharging length.在线翻译_英语_读音_用法_例句