rotation-vibration spectrum

例句：

1. 1.The rotation-vibration spectrum of the planets is a fascinating topic in astronomy.
   行星的旋转振动光谱是天文学中一个引人入胜的主题。
2. 2.The scientists used the rotation-vibration spectrum to study the properties of the material.
   科学家们利用旋转振动光谱来研究这种材料的性质。
3. 3. The rotation-vibration spectrum of the star was recorded by the astronomers.
   天文学家记录了这颗恒星的旋转振动光谱。