molecular rotary power

例句：

1. 1. The molecular rotary power of the new device is impressive.
   这个新设备的分子旋转动力令人印象深刻。
2. 2.In molecular rotary power, electrons move around a nucleus in a circular motion.
   在分子旋转动力中，电子围绕核进行圆周运动。
3. 3. The molecular rotary power of the new machine is significantly higher than that of the old one.
   新型机器的分子旋转动力显著高于旧型。