state of cyclic operation

例句：

1. 1. The machine operatesin a state of cyclic motion.
   这台机器以循环运动的状态运行。
2. 2. Theprocess is governed by the laws ofthermodynamics, which are essentially astate of cyclic equilibrium.
   这个过程受热力学定律的支配，这些定律本质上是循环平衡状态。
3. 3. Inthis state, the molecules are constantly movingand colliding with each other.
   在这种状态下，分子不断移动和相互碰撞。