molecular microwave spectrometer

例句：

1. 1.This instrument is used to analyze the molecular structure of materials.
   这种仪器用于分析材料的分子结构。
2. 2.The molecular microwave spectrometer was used to study the chemical properties of different compounds.
   分子微波光谱仪被用来研究不同化合物的化学性质。
3. 3. The molecular microwave spectrometer has revolutionized the field of chemistry by providing more accurate measurements.
   分子微波光谱仪通过提供更准确的测量，使化学领域发生了革命。