"A lot of units from different areas, different parts of the country have to integrate,work as a team, and that's why we come here to practice because we need to be ready in case something does happen."

VOA: standard.2010.07.21

And the work in this case is the area inside here.

现在的功是这个区域内部的面积。

麻省理工公开课 - 热力学与动力学课程节选

W2 So in this case, it's the amount of work is the area under that curve. And in this case here, the amount of work is bigger, w2 is bigger and it's the area under this curve.

这是路径2做的功,比W1要大，现在假设,我把这两条路径结合起来。

麻省理工公开课 - 热力学与动力学课程节选