以下为句子列表：
英文: Seven test points are available, which provide a low voltage proportional to the five electrode voltages, as well as to the photocathode and the getter currents (see chapter 5).
中文: 七个测试点可以提供一个与五个电极电压和光电阴极电流及离子泵电流成比例的低压(看第5章)。
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英文: The structure between the photocathode and the first dynode, the system of dynodes are also introduced.
中文: 在结构方面介绍了光阴极到第一个二次极区域的电子光学输入部分的结构和二次发射倍增系统的结构。
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