The paper points out the intrinsic relation between developable normal surfaces and parallel curves,where the uniqueness,the transitivity of parallel curves and the relationship between their center of curvature are set and proven.
揭示可展法线曲面与空间平行曲线的内在联系,给出并证明了平行曲线的唯一性和传递性以及它们曲率中心间的相互关系。
By means of the nonholonomic mapping and Lagrange-d\'Alembert principle a geodesic in a Riemann space is mapped into an autoparallel in a Riemann-Cartan space.
基于Lagrange-d\'Alembert原理和非完整映射,将一个Riemann空间的测地线对应于另一个Riemann-Cartan空间的自平行线。
By means of the nonholonomic mapping and d\'Alembert-Lagrange principle a geodesic in a Riemann space is mapped to an autoparallel in a Riemann-Cartan space.
基于dAlembert-Lagrange原理和非完整映射,将一个Riemann空间的测地线对应于另一个Riemann-Cartan空间的自平行线。
the exterior parallel curves Γ share the same axis of curvature.
本文利用《微分几何》的基本公式推导了椭圆曲线г，г的平行曲线г，г的外平行曲线г具有相同的曲率轴。
Singularities of Parallels for Hyperbolic Plane Curves
双曲平面曲线的平行曲线的奇点分类
A family of parallel lines cut the conic.
有一组平行线与圆锥曲线相交。
Consider a family of parallel lines that cut the conic.
设有一组平行线与圆锥曲线相交。
Road Plane Curve Parallel Arc Length General Formula and Its Application
道路平曲线平行线弧长通用公式及应用
The experimental curve runs nearly parallel to the abscissa.
实验曲线几乎与模座标平行。
Cubic NURBS expression for contour curves of parallel indexing cam
平行分度凸轮轮廓曲线的三次NURBS表示
Application of Roundabout Curve Parallel Lines in Construction of Railway Continuous Girder Bridge
回旋曲线平行线在铁路连续梁桥中的应用
The decline curve shape estimate analysis of parallel tunnel surface
双线平行隧道地表沉降曲线形状预测分析
It presents the rigorous method to calculate the intersecting point coordinate of the straight line with the parallel to the easement curve.
提出了计算直线与缓和曲线平行线交点坐标的严密方法。
F ig. 5 T he average step size as a function of extending vo ltae.
图5爬行器所加电压与平均步长的关系曲线。
The Parallelism of the Rays in a Complete Riemannian Manifold with Nonnegative Curvature
非负曲率的完备黎曼流形上的平行射线
Research on Non-contact Measurement Technology of Two Axes' Parallel Error for Crankshaft;
曲臂两臂轴线平行度误差非接触检测技术研究
CAD for Working Line of Parallel Indexing Cam;
平行分度凸轮工作曲线的计算机辅助设计
The Special Surface Equation Caused by the Parallel Translation of Space Parabola;
空间抛物线作平行移动所产生的特殊曲面方程
CAD for Working Line of Parallel Indexing Cam
平行分度凸轮工作曲线CAD参数化软件设计
Effect of Ultra-High Change of Monorail Horizontal Curve on Traffic
单轨交通平曲线超高变化对行车的影响
He moves in a wild zigzag.
他行走的路线弯弯曲曲。
The Completely Equal Curvature of Tubular Surface on Viviani s Curve;
Viviani曲线上管状曲面的全平均曲率