OK, notice we have two inexact differentials and exact differentials. This is a condition.

好，注意到这里面有两个不准确微分量，和一个准确微分量，这是结论。

youdao

OK, notice we have two inexact differentials and exact differentials. This is a condition.

好，注意到这里面有两个不准确微分量，和一个准确微分量，这是结论。

youdao