"I think there are many who realize that constantly imposing demands on the Iranians which they either have no intention or the capacity to fulfill for domestic political reasons has not gotten us very far over the last three or four years,".

VOA: standard.2009.10.19

So, we do an integral over a path, dT for the heat capacity along that path, dT.

因此，我们沿着路径做一个积分，热容。

麻省理工公开课 - 热力学与动力学课程节选