它也有一个几何曲率。
由于几何曲率半径和平衡正压力所要求的半径有差别，气泡形状要缓慢地变化。
The bubble shape is changed gently because of the difference between radius of geometric curvature and radius required to equalize normal stress.
有一个术语要在这介绍，称为几何曲率，那与我们在这定义，的材料曲率是类似的。
And there's a term that's introduced here called the geometric buckling which is analogous to the material buckling that we defined there.
在快裂变反应堆的临界问题和超临界系统动力学过程的分析中，几何曲率有重要的应用价值。
The geometric buckling is of great value in application to criticality problem and analysis of dynamic process of supercritical system in fast fission reactor.
首先，论文提出了基于图像小波分解三系数关联去噪方法，利用该方法与偏微分方程中的几何曲率驱动扩散模型相结合，得到高质量恢复图像的图像去噪方法。
In the first, we propose three coefficients Trivariate Shrinkage method, using this technique and geometry curvature-driven diffusion, a new high quality image noisy removal is obtained.
然后根据特征点的几何定义，利用轮廓线的位置、曲率等信息自动提取特征点。
Characteristic points can be extracted by considering the geometry definition, the position and curvature of each point on the contours.
根据特征点的几何定义，利用轮廓线的位置信息、曲率等属性来提取特征点。
Lastly, the characteristic points can be extracted by the geometry definition of them and the position and curvature of each point on the contours.
这里凹面型的几何一个在当地的中心曲率的工件和刀具中心所在站在同一边。
Here concave type of geometry is the one in which the local center of curvature of workpiece and tool center lie on the same side.
利用微分几何和啮合原理推导出该机构的点啮合的诱导曲率方程，给出了接触域大小的计算公式。
With the differential geometry and engagement theories, induced curvature formulas of point engagement were deduced, and the formula of the local contact areas was given.
利用图像小目标的微分几何特性，计算图像的最小法向曲率，并以此为阈值，获得小目标的候选对象。
By using differential geometry property of small object of infrared image, computing minimal normal curvature which is used as the threshold to obtain candidate objects for small target.
除了常见的几何测量(如距离和角度)外，提出了一种平均曲率能量的测量方法来描述边界曲线特征。
Besides common geometric measurements such as distances and angles, a new measurement of average curvature energy defined for boundary curve segment is included in the set to describe curve feature.
在对深沟球轴承几何参数及接触应力分析的基础上，给出了沟曲率半径系数的控制方程，并对轻、中、重系列轴承的外圈沟曲率半径系数的选取进行了探讨。
Based on the analysis of geometry parameters and contact stresses of the deep groove ball bearings, the control equation of groove curvature radius has been drawn out.
曲率是黎曼几何中的热门研究课题。
Positive curvature has been a frequent subject in Riemannian geometry.
经典微分几何研究三维欧氏空间中曲线曲面理论，其最具有特色的研究是主曲率函数满足某些关系的魏因加吞曲面。
In the classical differential geometry which deals with the theory of curves and surfaces of three dimensional Euclidean space, the most distinctive study is the Weingarten surface.
本文将着重研究更为一般的具有平行单位平均曲率向量子流形的有关几何问题。
In the present paper, we mainly study the codimension reduction problems for submanifolds with parallel unit mean curvature vector in a sphere.
我们如何几何化一个流形，也就是说给它一个均匀的曲率呢？
How might we try to geometrize a manifold - that is, give it a uniform curvature throughout?
目的通过对拇腕掌关节面定点测量，计算弧长和曲率，为探讨拇腕掌关节的功能提供几何形态参数。
Objective To get the geometric parameters of the articular surface of the trapeziometacarpal joint for dynamic analysis of the joint.
在超曲面几何学中，对主曲率的研究是至关重要的。
It is essential to study the principal curvature of hypersurface in the hypersurface geometry.
由微分几何学原理得到计算主曲率的一般公式，克服了由薄板小扰度弯曲理论得到的主曲率计算公式的局限性。
The general equations of principal curvature derived from differential geometry overcame the limitations of previous equations derived from the theory of elastic thin plate with small deflection.
用空间解析几何理论，考虑路线斜交纵坡、曲率等因素，推导小桥涵尺寸计算公式。
The paper introduced the practical formula of computating culvert geometrical factor accurately by space analytical geometric theory.
由计算结果可以得到，几何非对称结构对多频率段降噪效果好，而改变壳面的曲率半径对壳的固有频率提高较大。
Based on results, the geometrical asymmetry shell has obvious effect about reducing noise in large range of frequencies, and change radius of curvature can increase eigenfrequency obviously.
在双曲空间中，考察椭圆的包含关系，对弧长元素、测地曲率、曲率、面积及全曲率等几何量做出细致考察。
Some geometric data of ellipse in hyperbolic space are considered, such as set inclusion, arc length, geodesic curvature, curvature, area and total curvature.
地形曲率是地形表面几何形态和地学建模的基本变量之一。
Terrain curvature is one of fundamental variables in geomorphology and geoscience modeling.
为了适应非定常流场对网格品质要求较高的特点，网格生成采用了基于几何外形、模型表面曲率为基础的自适应生成及加密方法。
The unsteady flow request a higher quality in grid so in this article the Cartesian grid is generated based on geometric and the body curvature.
此外，还根据几何关系推导出了工件尖角部位渗碳后加工倒圆的最佳曲率半径公式。
In addition, according to the geometrical relation, the equation for calculating the most suitable transition radius of carburized corner parts was deduced.
该算法对离散的曲线进行光顺、拟合和采样，使用空间曲线微分几何性质计算各采样点的曲率和弗朗·内特标架。
After smoothing, fitting and sampling the discrete space curves, the algorithm calculated Frenet frame and curvature for each sampling point.
该算法对离散的曲线进行光顺、拟合和采样，使用空间曲线微分几何性质计算各采样点的曲率和弗朗·内特标架。
After smoothing, fitting and sampling the discrete space curves, the algorithm calculated Frenet frame and curvature for each sampling point.
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