In the theories, author used the arithmetic of inserting point by point to constructed Delaunay triangulations and used Visual C++ and OpenGL to displayed the 3D digital model.

在這些理論基礎上91国内精品久久久久网站，采用逐點插入算法在橢球面上建立Delaunay三角網(wǎng)欧美一级黄片尤物视频污无毒不卡，并使用Visual C++和OpenGL對建立的數(shù)學模型實現(xiàn)了三維顯示。

Under the unified coordinate system of the earth's core, sphere azimuthal projection varied and inverse transformation are described. Methods of dot quadrant tab and border tab based on object coordinate system are introduced. Algorithms of special border tab and area invasion warning examination are discussed.

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Based on thefundamental equations of motion of the theory of radial nonhomogeneousspherically isotropic elasticity,and,by introducing three displacementfunctions ψ,G and w,we get a simplifted system of the problem thatincludes an independent second order partial differential equation offunction ψ and a coupled partial differential equation set of functions Gand w.

針對沿徑向為非均勻的且考慮溫度和體積力影響的球面各向同性彈性體的振動問題乱伦小说图片视频，本文從三維基本運動方程出發(fā)，引入三個位移函數(shù)ψ日韩精品导航大全视频在线播放，G和w欧美亚洲日韩ai在线博彩，將問題簡化為求解一個關于ψ的獨立的二階偏微分方程和一個關于G和w耦合的偏微分方程組。

Three displacement functions w,Gand ψare introduced in this paper tosimplify motion equations of elasticity problenis in spherically isotropic media to an indepen-dent partial differential equation concerning one displacement function ψand simultaneous equations concerning two other displacement functions w and G.

本文引入三個位移函數(shù)欧美亚黄色大片，將球面各向同性彈性力學運動方程亚洲人成在线中文无码毛片看，簡化為關于ψ的二階偏微分方程，和關于W和G的聯(lián)立方程最近更新202中文字幕视频。在靜力學問題中欧美成人h版在线观看，聯(lián)立方程可進一步簡化，w和G可用另一位移函數(shù)F表示国产原创网站，而F滿足一個四階偏微分方程亚洲性爱一级。

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