给出把一类二重积分化为曲线积分的一个定理，讨论定理的一些应用。

In this paper, a theorem which turns double integral into linear integral is given, and its application is discussed.

youdao

给出把一类二重积分化为曲线积分的一个定理，讨论定理的一些应用。

In this paper, a theorem which turns double integral into linear integral is given, and its application is discussed.

youdao