查询词典 Ricci

In this paper,we mainly discuss the first eigenvalue on a compact Riemannia manifold with positive Ricci curvature.

主要讨论具有正Ricci曲率的紧Riemann流形上的第一特征值，给出一种下界估计。

In 1995, Hamilton [Ha3] studied the behavior of the singularity of Ricci flow.

在1995年，Hamilton在文[Ha3]中研究了Ricci流的奇点。

OK, so maybe this collection wasn't entirely Ricci style, but everything was sooo beautiful.

当然，或许这个系列并非完全Ricci的款式，但每一个都那么那么漂亮。

It is also considered to study the Finsler geometry which deal with the Chern''s connection、flag curvature、Ricci scalar of Finsler manifolds、Finsler submanifold geometry, and harmonic maps between Finsler manifolds.

研究芬斯勒几何的某些问题，包括芬斯勒流形的陈省身联络、旗曲率、Ricci数量、芬斯勒子流形几何以及芬斯勒流形间的调和映射等。

We have built up quintessence and phantom dark energy models in which the scalar field is induced from a 5-dimensional Ricci-flat vacuum.

我们建立了暗能量的 quintessence 和 phantom 模型，其中的标量场是由五维Ricci 真空场诱导出的。

In chapter 4,we consider the existence of harmonic function in negative sectional curvature manifolds.we get that,if Ricci ≥-C(1 + r~2)r =ρ(O.x, then there have non-canstant bounded harmnic function in negative sectional curvature manifolds.

第四章考虑负曲率流形上调和函数，得到了在Ricci≥-C(1+r~2)其中r=ρ的负曲率流形的调和函数的存在性。

Theorem 3 Let M~n be a compact totally real 2-harmonic submanifold in M~n which is a locally symmetric Bochner-Kaehler manifold.If Ricci curvature of M~n is nonegative and positive at a point at least,then the holomorphic sectional curvature of M~n is a postive constant number.

定理3设M~n是局部对称Bochner-Kaehler流形M~n的紧致全实2-调和子流形，若M~n的Ricci曲率非负且至少在一点为正，则M~n具有正常数全纯截面曲率。

To most ears there is little difference between a Strad and a good modern maker, admits Ruggiero Ricci, a master violinist.

大师级小提琴家Ruggiero Ricci承认，一把斯特拉底和一把制作精良的现代提琴之间的差别，大多数人是听不出来的。

In 1996, Shen applied Hamilton's Ricci flow to study the metric deformation on Riemannian manifolds with boundary.

最近在[P1]，[P2]中，Perelman利用Ricci流的方法向Poincaré猜想的最后解决又迈进了一大步。

Created by the Paris design house of Nina Ricci, this unform featured a longer jacket with a simple straight skirt in a red and blue theme.

这件巴黎名牌 Nina Ricci 设计的制服以长身外套，配直身长裙，以蓝色及红色为主。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。