microanalyzer mass spectrometer

例句：

1. 1.The microanalyzer was used to analyze the DNA samples.
   微分析器被用来分析DNA样本。
2. 2. The microanalyzer detected a chemical contaminant in the water sample.
   微分析器在水样中检测到了化学污染物。
3. 3. The microanalyzer helped us identify the source of the pollution.
   微分析器帮助我们确定了污染的来源。