也可以是，自己去选择，有可能的、最简单的，以该曲线为边界的曲面。
It might be that you will be left to choose the simplest possible surface you can think of that is somehow having this curve as its boundary.
定理说，What，Stokes’，theorem，says，is，that,可以选择最喜欢的曲面，只要边界是这个圆就可以了。
Stokes I can choose my favorite surface whose boundary is this circle.
应用推荐