luminescence spectrophotometer

例句：

1. 1.The luminescence spectrophotometer was used to analyze the chemical composition of the sample.
   使用发光光谱仪分析了样品的化学成分。
2. 2.The luminescence spectrophotometer detected the presence of trace amounts of mercury in the sample.
   发光光谱仪检测到样品中微量汞的存在。
3. 3.The luminescence spectrophotometer was used to study the relationship between light and color perception in humans.
   发光光谱仪用于研究人类对光与色彩感知的关系。