analogultraviolet spectrophotometer

例句：

1. 1. The instrument isused to measure the concentration of pollutants in water.
   该仪器用于测量水中污染物的浓度。
2. 2. The analog spectrophotometer was used to analyze the chemical composition of the sample.
   使用模拟光谱仪分析样品的化学成分。
3. 3. In this study, we used an analog ultraviolet spectrophotometer to detect the presence of bacteria in the water.
   在这项研究中，我们使用模拟紫外分光光度计来检测水中细菌的存在。