球面

By simulating the supersonic wave probing data with computer,an in-situ rock stress supersonic wave ellipsoid equation is achieved,the in-situ rockstress is defined thereby.

本文建立了地应力超声波检测的多元非线性计算模型，通过对声波检测参数的计算机模拟，得到地应力声波椭球面方程，从而确定原岩应力状态。

In this paper we investigate the researching state, the developing situation and the prospect for the summability , the strong summability and their relevant approximating oder , strong approximating oder of Cesdro mean - an important linear summation process of the Fourier - Laplace series of functions on sphere.

本文研究了球面上的函数用其Fourier—Laplace级数的一种重要的线性求和法-Cesaro平均来求和与强求和及其相应的逼近与强逼近的阶的研究状况、发展态势和前景展望等。

Finally, we give some examples for representing surface of revolution and sphere as rational B-spline patches.

文中附有旋转曲面和球面的生成实例。

Because the region of laser-vapour interaction is on the symmetric axis, the author conducted thoroughgoing studies in metal evaporation in vacuum by one-dimensional model.

考虑到实际过程中，激光作用区处于蒸发装置的对称轴线上，本文用一维球面蒸发模型对真空金属蒸发作了深入的研究。

In this model,the thermal physical properties,the latent heat of phase change and thermoelectric effect are considered and the reasonable boundary conditions are determined.

通过ANSYS软件自带的APDL参数化工具首次实现了球面电极条件下铝合金点焊过程的力、热、电耦合分析。

In this thesis, we mainly study several problems on geometry and topology of Rieman-nian submanifolds, which contains the geometric rigidity, topological sphere theorems and eigenvalue problems of Laplace-Beltrami operator on Riemannian submanifolds.

本文着重研究黎曼子流形上几何与拓扑的若干问题，主要内容包括子流形的几何刚性、拓扑球面定理和Laplace-Beltrami算子的特征值问题。

In this thesis, we mainly study problems on global geometry and geometricanalysis of Riemannian submanifolds, including vanishing theorem for homologygroups, topological sphere theorem, L~2 harmonic 1-forms, finiteness of end andthe spectrum of the Laplacian. In 1973, by using the Federer-Fleming existence theorem and the techniquesfrom the calculus of variations in the geometric measure theory, H.

本文着重研究黎曼子流形上整体几何与几何分析的若干问题，主要内容包括子流形的同调群消没定理、拓扑球面定理、L~2调和1-形式、端的有限性和Laplace算子谱等问题。

In this thesis, we study the patterns generation of two-dimensional surfaces. The surfaces include cylinder, torus and sphere.

在这一篇硕士论文中，主要研究的是在二维曲面的花样，这里讨论的二维曲面包含有圆柱、环面和球面。

This paper studies and establishes torus harmonic analysis method of recovering the Earth's gravity field with all kinds of gravity observation data.

详细研究并建立了基于球面边值问题的轮胎调和分析方法。

The projecting directions of three affine pictures form affine coordinate system , and they also form a triangular pyramid at the same time.

用 3 个仿射图的投射方向构成 1 个仿射坐标系，同时也构成 1 个三棱锥，在此仿射坐标系中用球面三角重新研究由两个仿射图求第 3 个仿射图的投影作图理论——平行线束法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐