This is an abstract and powerful mathematicalstatement of the first law of thermodynamics.
这是热力学第一定律的一个抽象，而且具有很强数学性的表述。
2
Eventually he found what he was after: a 1999 paper that referenced a mathematicalstatement from 1979.
终极他找到了他想要的：一篇1999年的论文，引用了一个1979得数学不雅概念。
3
I'll show those again, but what I want to do mostly today is try to put a mathematicalstatement of the second law in place that corresponds to the verbal statements that we saw last time.