quadrupole coincidence set

例句：

1. 1. The quadrupole coincidence set is used to detect the presence of radioactive isotopes in samples.
   四极偶合仪组用于检测样品中放射性同位素的存在。
2. 2. In this experiment, the quadrupole coincidence set was used to analyze the spectra of different elements.
   在这个实验中，四极偶合仪组被用来分析不同元素的特征谱线。
3. 3. The quadrupole coincidence set was crucial for the accurate measurement of elemental abundances in the sample.
   四极偶合仪组对于准确测量样品中元素丰度至关重要。