I-V characteristic curve of solar cell

例句：

1. 1. The solar cell's I-V characteristic curve shows the device's efficiency at different voltages.
   太阳能电池的I-V特性曲线显示了该设备在不同电压下的效率。
2. 2. The I-V characteristic curve of the solar cell is crucial for understanding its performance.
   太阳能电池的I-V特性曲线对于理解其性能至关重要。
3. 3. The engineer used a graph to plot the I-V characteristic curve of the solar cell.
   工程师使用图表绘制了太阳能电池的I-V特性曲线。