The most common method to "pump" a gas laser--that is, to invert the population in the states that give rise to light amplification--is to use a gas discharge . “发射”气体激光（也就是反转能产生光放大的那些状态的粒子数）的最普通方法是运用气体放电。
Test specifications for gas - tube surge protective devices 气体放电器电涌保护器件的试验规范
It introduces the gas discharging phenomena 介绍气体放电现象。
Shows electric discharge through gases 展示气体放电的现象。
General specification of gas discharge tubes for overvoltage protection 过电压保护气体放电管总规范
Every kind of specification model number parameter of the thermistor 气体放电管各种规格型号技术参数
