microphotometer comparator

例句：

1. 1.The microphotometer comparator was used to measure the concentration of pollutants in the water sample.
   微光度比较仪被用来测量水样中污染物的浓度。
2. 2. The results of the experiment were compared with those of the microphotometer comparator.
   实验结果与微光度比较仪的结果进行了比较。
3. 3. The microphotometer comparator was used to analyze the chemical composition of the samples.
   微光度比较仪被用来分析样品的化学成分。