photometric integrating sphere

例句：

1. 1. Thephotometric integrating sphere is usedto measure the intensity of light in agiven area.
   光度积分球用于测量给定区域内的光强度。
2. 2. The photometric integrating sphere was used to analyze thecolor of the paint samples.
   光度积分球被用来分析油漆样品的颜色。
3. 3. Thephotometric integrating sphere was usedto measure the concentration of pollutantsin the water sample.
   光度积分球被用来测量水样中污染物的浓度。