isochronia

例句：

1. 1. The scientists observed the isochronic changes in the brain during sleep.
   科学家们观察到睡眠期间大脑的同步变化。
2. 2.The researchers found that the isochronic patterns correlated with the patient's recovery.
   研究人员发现这些同步模式与患者的康复有关。
3. 3. The event occurred at a time when the world was experiencing an isochronic shift in its economic policies.
   该事件发生在全球经济政策经历同步转变的时候。