研制了一种新型的探测器，利用气体放电和外部电路猝灭的方法测定样品表面发射的低能光电子。
We have studied and constructed a new detector by gas discharge and external quenching circuits to measure the low energy photoelectron emitted form the specimen surface.
坦克和覆盖应形，以防止外部滞水，气体口袋内部可以捕获逃逸气体，从而妨碍气体探测器继电器的操作。
Tank and cover shall be shaped so as to prevent stagnation of water externally, and gas pocket internally which could trap escaping gas and thereby impede operation of the gas detector relay.
应用推荐