1. The photovaristor is commonly used in electronic devices to regulate voltage in response to changes in light intensity.
光控电阻变阻器通常被用于电子设备中，以便根据光强度的变化来调节电压。

2. The photovaristor sensor accurately measures the amount of light in a room and adjusts the brightness of the display accordingly.
光控电阻变阻器传感器可以准确测量房间中的光照量，并相应地调节显示屏的亮度。