三维

Based on internal variable theory and damage theory, a damage-rheologic constitutive equation for one dimensional problem was then developed, and it was extended to three dimensional problem.

根据对试验结果的进一步分析，在总结前人工作的基础上，提出了岩石类材料的损伤演化的概率——遗传模型，建立了材料的一维流变损伤本构方程，并将其推广至三维问题。

In this paper,the transonic two dimensional airfoil integral equation given by Nixon [1,2,3] has been extended to three dimensional thin wing case.

本文将Nixon[1，2，3]对二维薄翼型所建立的跨音速积分方程推广到三维薄机翼情况。

A new constraint model is built up with quintuple:dimen- sion value,datum,auxiliary line,contour line and directed graph.

发展到了今天，变量化设计已经成为二维绘图和三维特征设计的必不可少的基本功能。

Using the domain derivative of the far-field pattern for eddy-current inverse problem with Dirichlet boundary condition,a new algorithm to recover the shape of cracks was constructed and some numerical examples were given.

运用Dirichlet边界条件下涡流检测反演的远场区域导数，构造了反演缺陷形状的一种新算法，并且给出了二维及三维的算例，数值反演的结果与实际缺陷吻合得较好。

In this paper, the DLM/FD method was simply introduced, and the DLM/FD method was used to simulate the sedimentations of a single dumbbell-like particle and a single ellipsoid particle in a vertical channel.

本文在简单介绍基于分布式拉格朗日乘子的虚拟区域方法的基础上，并应用这一方法对单个的二维哑铃形粒子和三维的椭球粒子进行了数值模拟。

And by using IM, the RCS of a dielectric plate and array antennas of dielectric cylinders guiding electromagmetic field with finite length are calculated. IM method gets rid of the inversion of a large matrix and its solution can be fast convergent, so it is simple and especially fit for solving the problems with which the high-frequencies and the low-frequencies deal difficultly.

本文所作主要工作及贡献如下：（1）在考虑馈源匹配良好的状况下，用各种高频近似法对卡塞格伦天线、二维与三维反射面天线的电磁散射与RCS进行了全面地分析计算，并对旋转反射器表面形状进行了低RCS外形优化设计。

The model of three-dimensional temperature field of Arctic sea ice is established, andthe two-dimensional velocity of tidal motion in the horizontal direction is considered,meanwhile a way to determine the boundary is found.

2建立了关于北极海冰温度场的三维模型，考虑了水平方向的二维流速问题，给出了确定开边界条件的方法。

A method for measuring 3-D magnetic field of the permanent magnet with three single-dimension Hall probes was proposed.

提出了一种采用3个一维霍尔探头进行三维测量小型永磁体空间磁场的方法。

Adding 3-D data control to 2-D depth migration processing flow,the paper reduced mis-tie and made final interval velocity map consistent with regional geologic r...

本文在二维深度偏移处理流程中加入三维控制，减小了闭合差，并使得最终的层速度图符合区域地质规律，可用于减小钻井层位深度预测的风险。

In this thesis, the stress intensity factors of top-down cracks caused by loading are calculated using three dimensional finite element model and compared to the results of plane strain model.

本文采用三维有限元模型分析了荷载作用下自上而下裂缝尖端的应力强度因子，并与二维平面应变模型分析的结果进行比较。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。