1.The voltages that should be applied to each dynode are a function of PMT design and are specified for each tube type.

1.加到每个光管极上的压决定于PMT的设，由每个管子的型号来确定。

2.The picoammeter reads the current at the last dynode, which is equal to the anode current minus the current flowing to the previous dynode.

2.皮安后一个管极处读取流，此流等于阳极流减去流过前一个管极的流。