求翻译：比较图2（a）和图2（b）可见，ZnO压敏电阻增大了电路的阻值，抑制了回路暗电流，这有利于PCSS的正常工作；ZnO压敏陶瓷受到超快电脉冲激励前已处于直流偏置电场中，这一点很大程度上区别于其他测试方法【7-11】，而且更接近ZnO压敏电阻用于过压保护时的实际工作条件。是什么意思？

Figure 2 (a) and Figure 2 (b) can be seen, the ZnO varistor resistance increases the resistance of the circuit, inhibit circuit dark current, which is conducive to pcss the normal work; ZnO varistor ceramics by ultra-fast electrical pulse excitation before the DC bias electric field, which is largel

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Comparison figure 2 (a) and Figure 2 (b) visible, ZnO pressure sensitive resistance increases has circuit of resistance, suppression has circuit dark current, this conducive to PCSS of normal work; ZnO pressure sensitive ceramic was super fast electric pulse incentive Qian has is DC partial reset el

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