在探测器电路中采用猝灭电路，延长了G-M计数管的使用寿命。
The quenching circuit in the detector lengthens the using lifespan of G M counter.
GM计数管的可靠性应当以失效的工作时间-寿命，以及在寿命期间的失效率来表征。
The reliability of GM counter tubes should be described by useful time before failure life and failure rate during life.
因此计数管的使用寿命不能仅以允许通过计数管的总电荷表示。
Thus the counting life of a counter can not be expressed merely in terms of quantity of electric charge passing through it.
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