给出了求解代数曲面上两点之间测地线的一种算法。
An algorithm for computing the geodesic line between the two points of an algebraic surface was presented.
针对一类四次隐式代数曲面，提出一种基于分片的几何参数化方法。
This paper proposes a piecewise geometric approach to parametrize a kind of quartic implicit algebraic surface.
利用计算代数几何工具，研究了平面截口的隐式代数曲面的光滑拼接问题。
Studed the blending of implicit algebraic surfaces with the intersections on planes by using algebraic geometry.
采用曲面的表面法矢建立了毛坯的几何模型，结合扫描体代数方程，实现了加工仿真和NC代码验证算法。
Surface normal vector technique is used to setup geometry models for blanks. Combined it with s AE, we implement algorithm for NC machining simulation and Verification.
本文给出了关于二阶曲面的代数定义和射影定义之间的等价性定理。
This article is told the sense of equivalence between algebraic definition and projecting definition.
正则性是参数曲线曲面的重要代数性质，是由参数曲线曲面的参数化决定的。
Regularity is an important algebraic property of parametric curve and surface, which depends on the parameterization of parametric curve and surface.
主要内容有：向量代数、空间的平面和直线、特殊曲面和二次曲面、一般二次曲面和一般二次曲面。
The main content: vector algebra, plane and linear space, special surfaces and secondary surfaces, general quadratic surfaces and general quadric surface.
由于现代数控刀具都设计有卷屑槽，从而使其前刀面不是平面，而是曲面。
Because there exists a chip-curling groove on the rake face, the rake face of a modern cutting tool used on NC machine tool is not a plane, but a curved surface.
由于现代数控刀具都设计有卷屑槽，从而使其前刀面不是平面，而是曲面。
Because there exists a chip-curling groove on the rake face, the rake face of a modern cutting tool used on NC machine tool is not a plane, but a curved surface.
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