It gives a relationship between a surface integral over an oriented surface and a line integral along a simpleclosedcurve.
它建立了有向曲面上的曲面积分与它的边界曲线积分的关系。
2
A new and simple proving method on the famous theorem of total torsion, "the total torsion of closed spherical curve is zero", and two generalized theorems for the. theorem are presented in the paper.