negative current

例句：

1. 1.In electronics, the negative current isa crucial factor in determining the performance ofcircuits.
   在电子学中，负电流是决定电路性能的关键因素。
2. 2. The negativecurrent flowing through the wire can cause ashort circuit if it exceeds a certainthreshold.
   通过导线的负电流如果超过某个阈值，可能会导致短路。
3. 3. The negativecurrent flowing through the batteryis what powers the device.
   通过电池的负电流是给设备供电的原因。