rotation number

例句：

1. 1. The machine rotates at a constant speed to ensure uniform processing.
   机器以恒定的速度旋转，以确保均匀处理。
2. 2.The team rotated players to prevent any player from getting too tired.
   球队轮换球员以防止任何球员过于疲劳。
3. 3. The rotation number is an important factor in determining the efficiency of the process.
   旋转数是决定过程效率的重要因素。