Now the first law is going to hold in all of these steps, and we're going around in a cycle.

现在热力学第一定律,就蕴含在这所有的步骤里了，我们沿着这个循环走。

麻省理工公开课 - 热力学与动力学课程节选

Or, you cycle through all the great art museums in the world and you say, "Yeah, I've seen these Picassos.

或者你游遍各地艺术馆,你会说“是的，我见过毕加索风格的画。

耶鲁公开课 - 死亡课程节选

Of course there are lots of ways we can execute the cycle, but this is a simple one, and these are steps that we're all familiar with at this point.

当然循环过程,可以有很多种方法，这是一个简单的例子，这是循环过程,循环中的每一步我们都很熟悉。

麻省理工公开课 - 热力学与动力学课程节选

All right, let's complete the cycle now, 3 the path number 3 here.

最后，来看路径。

麻省理工公开课 - 热力学与动力学课程节选

Now, I wanted to go to through this just to go through one cycle quickly because we're going to be doing these all the time, and the importance of the fact that the path doesn't matter, and you can always connect things together in a way, whatever you want.

我使用这种,利用热力学循环的推导方法的原因在于,今后我们，将经常使用类似的方法,大家要记住路径是无关紧要的，可以随意选取一条路径,来连接两个态。

麻省理工公开课 - 热力学与动力学课程节选