测光表

例句：

1. 1. The engineer used a photometer to measure the intensity of light.
   工程师使用测光表测量光线的强度。
2. 2. The scientist conducted an experiment using a spectrophotometer to analyze the chemical composition ofthe sample.
   科学家使用分光光度计进行了实验，分析样品的化学成分。
3. 3.The astrophysicist used a photometer to measure the brightness of stars in the night sky.
   天文学家使用测光表测量夜空中恒星的亮度。