geodesics

英

美

网络  测地线; 测地距离; 极端线; 测地间隔; 大地线

双语例句

• We present two practical linear methods computing straightest geodesics starting from a given point and going along a special tangent direction on triangle mesh.
  我们提出了两个个实际的线性时间的算法求解三角网格上一点开始沿给定切方向的最直测地线。
• Also, the paper discuss the existence of the infinite closed geodesics of a compact no-simply connected Riemannian manifold.
  并由此讨论了紧致的非单连通黎曼流形上无穷多的闭测地线存在性问题。
• The proof of singularity theorems is given at zero temperature for time-like geodesics, or at infinity temperature for null geodesics.
  奇点定理的证明，对于类时测地线是在零温下给出的，对于类光测地线则是在温度无穷大的情况下给出的。
• It is proved that geodesics can be produced by stretch elastic strings along a smooth surface.
  可以证明，连接平滑曲面上任意两点的弹性细丝当拉紧时具有测地线的形状。
• The Geodesics without Conjugate Points on the Manifold with Nonnegative Ricci Curvature
  具非负Ricci曲率流形上的无共轭点测地线
• The computer drawings of shortest geodesics are very important to the practical engineering, to the theories of mathematics, physics and mechanics.
  计算机绘制短程线，在工程实际及数学、物理、力学理论中都是很重要的。
• On the Computer Drawing of Shortest Geodesics on Straight grained Helical Surfaces
  直纹螺旋面短程线的计算机绘制
• Adopting geodesics as dividing lines, space surfaces were developed by minimal extremum method.
  采用测地线划分曲面，应用最小极值法进行曲面的展开。
• In 1728 Euler gave differential equations for geodesics on surfaces.
  1728年，奥伊勒绘出了曲面上测地线的微方程。
• Based on reviewing vacuum field equation which is stationary and axisymmetric, i.e., the Ernst equation, and the generating technique of solutions, some spacetime properties and geodesics properties are studied by using the NUT-Taub-like ( NT-like) solution obtained recently.
  本文在回顾稳态轴对称真空场方程，即Ernst方程及其解的生成技术基础上，从最近得到的NUT-Taub-like（NT-like）解出发，对这个度规的时空的性质和测地线性质进行了研究。