跃迁表明了活动状态之间的顺序关系。

Transitions indicate which activity state follows another.

youdao

方向关系描述了对象间的空间顺序关系。

Direction relations deal with order in space.

youdao

任何事件都与其它事件相关，体现了事件之间的顺序关系。

The fact that one event is concerned with another indicates the temporal sequence among the events.

youdao

So that is an aspect of our sequence of lectures, beginning with the last one, that will be postponed until next week.

以上是我们讲座的顺序，上面提到的这种关系我们下周会讲到。

耶鲁公开课 - 文学理论导论课程节选

And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.

麦克斯韦关系的本质是,当你考虑混合的二阶导数时，求导的顺序不影响最后的结果,现在，我们利用这些关系。

麻省理工公开课 - 热力学与动力学课程节选