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Let be a compact pseudo-umbilical submanifolds with parallel mean curvature vector in the quasi constant curvature space.

设Mn是拟常曲率空间Nn+p中具有平行平均曲率向量的紧致伪脐子流形，论证得到了这种子流形的两个内蕴积分不等式，从而给出了Mn是全脐子流形的两个内蕴充分条件。

A pinching theorem of compact pseudoumbilical submanifolds with parallel mean curvature vector in a locally symmetric conformally flat Riemannian manifolds

研究了复空间形式中具有平行法平均曲率向量的紧致全实伪脐子流形。

This pepediscusses compact submanifoldsoftheunit sphere Study is made on conditions ofsubmanifolds with parallel mean curvature vector,submanifolds with flat normal bundle and pseudo-umbilical submanifolds to be umbilical respectively.

本文讨论球的紧致子流形，研究具平行平均曲率向量的，具平坦法丛的、以及伪脐子流形成为全脐子流形的条件，得到几个关于第二基本形式长度千方S的pinching条件。

The Pinching problems are discussed on the sectional curvature of compact space-like pseudo-umbilical submanifolds M~n with parallel mean curvature vector in De Sitter space S~_p, and the theory of reduction of the codimension is obtained in De Sitter space through evaluating the Laplacian of square of the length.

讨论了De Sitter空间Snp+p中，具有平行平均曲率向量的紧致类空伪脐子流形Mn的截面曲率的拼挤问题，通过估计第二基本形式模长平方的Laplacian，得到了De Sitter空间中的余维数压缩定理。

It's slicker, it's more compact, it has a new blue progress bar which we think looks smarter - custom colours and other user configurable options are coming.

它的slicker ，它的更紧凑，它有一个新的蓝色的进度栏，我们认为看起来聪明-自定义的颜色和其他用户配置选项是未来。

The Cutlass was introduced in 1961 as a unibody compact car competing with the Dodge Lancer and Mercury Comet.

引入的短剑，在1961年作为一个整体式紧凑型道奇蓝瑟和水星汽车竞争的彗星。

Mastercycler Gradient — Compact thermal cycler features a 96-position universal block for 96x0.2mL tubes, 77x0.5mL tubes, or one 96-well plate.

Eppendorf梯度热循环仪Mastercycler Gradient，体积小，但能容纳96个0.2毫升的试管，77个0.5毫升试管或一个96孔板。

But more than just an automated compact utility, it's a total access database 'back-end' administration control center.

但不止一个自动压缩实用程序，它的总Access数据库的'后端'管理控制中心。

Rules for the Direction of the Mind was his early philosophical work. Decare put forward a series methods and principles for seeking truth. It has far-reaching compact on philosophy, science and mathematics.

探求真理的指导原则》是他的早期哲学作品，笛卡尔在这部著作中提出一系列探求真理的方法和原则，对近代哲学、科学、数学的发展有深远的影响。

At many occasions they arise quite natu-rally.For example,they appear in the Iwasawa decomposition of the isometry group ofa non-compact Riemannian symmetric space.Also,every connected homogeneous Rie-mannian manifold of non-positive sectional curvature can be represented as a connectedsolvable Lie group with a left-invariant Riemannian metric.

它们出现在非紧致黎曼对称空间的等距群的Iwasawa分解中；任一非正截面曲率的连通齐性和黎曼流形可以表为带有左不变黎曼度量的连通可解李群等，带有左不变黎曼度量的幂零及可解李群的微分几何，调和分析和谱几何是重要的研究课题。

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。