It was not known, however, whether central fatigue might also affect motor systems not directly involved in the exercise itself, such as those that move the eyes.
然而，目前人们还不清楚，中枢疲劳是否会影响与运动本身没有直接关系的运动系统，比如控制眼动的系统。
2
This pattern is needed if, after a merger or acquisition, at least two central MDM systems require integration.
如果在发生企业并购之后，至少两个中心MDM系统需要集成，就需要此模式。
3
Plants have no central control systems as in animals' brains.