triple focusing mass spectrometer

例句：

1. 1. The triple-focusing mass spectrometer is used to analyze the chemical composition of samples.
   三聚焦质谱仪用于分析样品的化学成分。
2. 2.The triple-focusing mass spectrometer was developed to improve the accuracy of mass measurements.
   三聚焦质谱仪的开发是为了提高质量测量的准确性。
3. 3. The triple-focusing mass spectrometer has been widely used in various fields, such as environmental monitoring and food safety.
   三聚焦质谱仪在环境监测和食品安全等领域得到了广泛应用。