The gain of the PMT, that is the ratio of anode output current to the photoelectric current from the photocathode, is directly related to the supply voltage.
光电倍增管的增益，是阳极输出电流和光电阴极中光电流的比值，直接关系到电源电压。
The gain of the PMT, that is the ratio of anode output current to the photoelectric current from the photocathode, is directly related to the supply voltage.
光电倍增管的增益，是阳极输出电流和光电阴极中光电流的比值，直接关系到电源电压。
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