slowing-down spectrometer

例句：

1. 1. The new model of the slowing-down spectrometer has been launched.
   新型减速光谱仪已经推出。
2. 2.The slowing-down spectrometer is used to analyze the molecular structure of materials.
   减速光谱仪用于分析材料分子结构。
3. 3. The slowing-down spectrometer can detect the chemical composition of the sample in real time.
   减速光谱仪可以实时检测样品的化学成分。