electrode dark current

例句：

1. 1. The device has a dark current problem that affects its performance.
   该设备存在暗电流问题，影响了其性能。
2. 2. The researcher found that the dark current was due to the manufacturing process.
   研究人员发现暗电流是由于制造过程导致的。
3. 3. The dark current is a concern for power systems as it can cause voltage drops.
   暗电流是电力系统的一个担忧，因为它可能导致电压下降。