现在可以看到，全微分里面的这些偏导数系数，都可以用一个变量表示出来。

Now you see how the total differential accounts for, somehow, all the partial derivatives that come as coefficients of the individual variables in these expressions.

youdao

现在可以看到，全微分里面的这些偏导数系数，都可以用一个变量表示出来。

Now you see how the total differential accounts for, somehow, all the partial derivatives that come as coefficients of the individual variables in these expressions.

youdao