使每个连续的光电倍增管电极的电压都比它前面一个电极的电压更高，这样电子就得到加速。
Electrons are accelerated by making the voltage of each successive dynode of the tube more positive than the previous one.
保持各个光电倍增管的增益一致性对正电子发射断层成像（PET）的质量至为重要。
To make all PMTs' gains identical through auto-adjustment is important for ensuring the PET imaging quality.
当光线进入光电阴极的光电倍增管，光电子从阴极发出。
When light enters the photocathode of a photomultiplier tube, photoelectrons are emitted from the photocathode.
光电倍增管(PMT)模块结合了一个高压电源光电倍增管，并往往结合其他信号处理电子器件。
Photomultiplier Tube (PMT) modules combine a PMT with a high voltage supply and often other signal processing electronics.
光电倍增管(PMT)模块结合了一个高压电源光电倍增管，并往往结合其他信号处理电子器件。
Photomultiplier Tube (PMT) modules combine a PMT with a high voltage supply and often other signal processing electronics.
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