英语语法分析

Well, I claim this curve actually bounds another surface that is orientable.

我断言这条曲线，界定了另一个可定向的曲面。

This paper establishes some formulas on orientable closed surfaces in 3-dimensional space forms.

本文建立关于三维空间型中的可定向闭曲面的某些公式。

Integral absolute mean curvature is introduced to describe average curving of an orientable closed surface.

引入积分绝对平均曲率来描述可定向闭曲面的平均弯曲程度。