1·An algorithm for computing the geodesic line between the two points of an algebraic surface was presented.
给出了求解代数曲面上两点之间测地线的一种算法。
2·From the property of geodesic curve, a new arithmetic of cutting line is put forward.
从测地线的性质出发，提出了一种新的裁剪线生成算法。
3·By giving the definitions of geodesic main torsion and torsion line, discussing their some properties.
给出了测地主挠率和挠率线的定义，讨论了测地主挠率和挠率线的一些性质。