secondary ion mass spectrometer

例句：

1. 1. The instrument is used to analyze the chemical composition of organic compounds.
   该仪器用于分析有机化合物的化学成分。
2. 2.The secondary ion mass spectrometer was used to identify the elements in the sample.
   次级离子质谱仪被用来鉴定样品中的元素。
3. 3. The secondary ion mass spectrometer was used to study the chemical properties of different materials.
   次级离子质谱仪被用来研究不同材料的物质属性。