查询词典 lateral curvature

Some properties of the pseudo umbilical surface M in R 4 are discussed and thus the lower for the tolal mean curvature of M is estimated.

本文研究了伪脐曲面M的一些性质，基于它并利用M的Gauss映射，给出了M作为R4中平坦环面的一个充分条件。

In the near future, we will consider the analogous motion of level sets by mean curvature with adding a nonnegative weight function, and then investigate the various geometric properties and pathologies of this evolution.

在久的将，我们将进一步地研究附加非负加权函数的平均曲对於空间中等值曲线的影响，并探查在此演变下多样性的几何性质与为特徵。

We prove that the compact hypersurfaces and the hypersurfaces with constant mean curvature must be totally geodesic.

紧致超曲面以及常平均曲率超曲面的全测地性质。

In the second chapter, we study a pinching theorem for submanifolds of locally symmetric space with parallel mean curvature .

第二章节是关于局部对称空间中具有平行平均曲率向量子流形的pinching定理，设M是局部对称空间N~中一个紧致子流形。

This dissertation is devoted to the global existence and quench ing phenomena of the solution to a nonlinear parabolic equation of the mean curvature type and the blow-up conditions to another nonlinear parabolic equation.

本文研究了一类平均曲率型抛物方程解的整体存在性和解的熄灭现象及一类非线性抛物方程解的爆破条件。

Measurement of curved surface having large radius of curvature is a problem for a three coordinates measuring machine.

大曲面的检测对于三坐标测量机是一个难题，以电子经纬仪作为传感器的工业测量是一种新的方法，可以解决这个难题。

A new classical small perturbation method of electromagnetic scattering from rough surface with consideration of the effect of the curvature of the surface is presented.

本文在分析传统粗糙面电磁散射微扰法的基础上，给出了一种新的考虑曲率修正效应的微扰法，解决了传统微扰法计算掠入射散射时的误差问题。

By the research of metric tensor and Riemann tensor on Riemann manifold, we getthe inherent curvature of configuration space belonging to parallel mechanism.

通过对度量张量和Riemann张量的研究，得出并联机构运动可达子空间的内在"弯曲"性质，指出使用相对坐标系和广义坐标是研究并联机构运动学和动力学问题的必然选择。

One of its main goals is to classify topologically, or even metrically, manifolds with certain geometry conditions on, say, curvature, volume, diameter.

二十世纪三四十年代发展起来的整体微分几何，其中的一个重要部分是讨论流形的曲率是如何影响流形的拓扑乃至度量性质。

As a result, the curvature of the color selection electrode is increased, which has a positive effect on the strength, doming and microphonics of the color selection electrode.

这样一来，色彩选择电极的曲率就变大了，这对色彩选择电极的强度，凸起和颤躁效应都有良好的作用。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。