light measuring system

例句：

1. 1. The lightmeasuring system is used to measure the brightness of objects in a room.
   光度测量系统用于测量房间内物体的亮度。
2. 2. The engineer used the light measuring systemto test the new product's performance.
   工程师使用光度测量系统测试新产品的性能。
3. 3. The light measuring system was used todetect the presence of smoke in the air.
   光度测量系统被用来检测空气中的烟雾。