Now, suppose I took this two paths, and I took -- couple them together with one the reverse of the other.
其中一条的方向反过来,这是初态,末态,路径1,先冷却。
All right, now suppose that I took these two paths and coupled them together.
现在假设我把这两条路径结合起来,这是路径1做的功。
So that's the key thing to-- to realize; that what the assignment did was have two separate paths to the same object.
认识到赋值会造成两个独立的绑定到;,同一对象上这件事情很关键,因此我可以通过这一条或者。
So we're going to start with a mole of gas, V at some pressure, some volume, T temperature and some mole so V, doing it per mole, and we're going to do two paths here.
假设有1摩尔气体,具有一点的压强p,体积,温度,我们将让它,经过两条不同的路径。
That's the some of delta u in these two paths and if we look at delta u in just path A, it's zero.
这是这两条路径△U的和,如果我们要看路径A的△U,它也是零。
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