photometric test plate

例句：

1. 1.The photometric test plate was used to measure the intensity of light.
   光度测试板被用来测量光线的强度。
2. 2. The scientist used the photometric test plate to analyze the chemical composition of the sample.
   科学家使用光度测试板来分析样品的化学成分。
3. 3.The photometric test plate was used to detect the presence of pollutants in the water.
   光度测试板被用来检测水中污染物的存在。