immersions

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双语例句

• Null-homotopic immersions of an m-manifold in an ( m+ 1)-manifold
  m-维流形到（m+1）-维流形的零伦浸入的分类
• Let M be an m-dimensional Riemannian manifold, H~ n be the standard hyperbolic space with constant sectional curvature-1. In this paper we will study isometric minimal immersions of M into H~ n, and obtain the main results as follows.
  设M是一个m维黎曼流形，H~n是标准的双曲空间，它有常数截曲率-1。
• Existence of immersions of n-manifolds in manifolds of dimension 2n 2 or 3n 3
  n维流形在2n-2和2n-3维流形中的浸入的存在性
• In this paper, we discuss 2-harmonic isometric immersions in a sphere with parallel mean curvature vector. Conditions to become into a minimal immersion and pinching theorems on the second fundamental form are obtained.
  本文讨论了单位球面中具平行平均曲率向量的2－调和等距浸入，获得其成为极小浸入的充分条件和关于第二基本形式的Pinching定理。
• Experimental study on unsteady forces of partially submerged propeller at different immersions
  不同浸深比半浸式螺旋桨动态力试验研究
• A curvature pinching theorem is given on conformal immersions of two spheres into CPN in this paper.
  本文证明一个关于球面S~2到CP~N中的共形极小浸入的曲率pinching定理。
• In this paper. we study 2-harmonic isometric immersions in a conform flat Riemannian manifold. Some conditions under which they turn into minimal immersions or totally geodesic immersions are arreived at.
  本文研究共形平坦黎曼流形中的2-调和等距浸入，获得了使其成为极小浸入或全测地浸入的一些充分条件。
• On isometric minimal immersions into h~ n(ⅰ)
  关于到H~n中的等距极小浸入（Ⅰ）
• Harmonic Maps and Minimal Immersions in Pseudo-Riemannian Manifold
  伪黎曼流形的调和映射与极小浸入
• Immersions and neat embeddings of ( t+ 1)-equivalent manifolds with boundary
  （t＋1）等价带边流形的浸入和整齐嵌入