But now, what happens if, instead we look at what happens when we go to some state one to some other state two and it's the pressure. Or the volume, that changes.

但是现在，我们看看如果,我们关系从状态一变化到状态二时,体积或者压强发生变化。

麻省理工公开课 - 热力学与动力学课程节选

Some way of visualizing, or thinking about, where we draw the price changes from.

这是一种可视化或者思考的方式，他让我们进入了。

麻省理工公开课 - 计算机科学及编程导论课程节选