分维

Finally, we give some examples.In Chapter 3, The existence of a bounded global attactor for Olmstead model with homogeneous Dirichlet boundary condition is proved under some condition on the parameters.

本章分四个部分，第一部分是对问题的概述；第二部分讨论了扩散系数对具有无穷时滞的一维竞争扩散系统的空间一致定态解的稳定性的影响，将扩散系数d作为分支参数，我们证明了从d_0处当d

In this paper, the Bistatic scattering coefficient from one - dimension Gaussian perfect conductor random rough surface is computed by the Moment method in Dirichlet boundary condition, and the basis function is taken as the pulse function and weighting function in the point matching method.

采用矩量法计算狄利克莱边界条件下一维高斯型随机粗糙面的收发分置的散射系数，运用脉冲基函数和点匹配的矩量法，在入射波为锥形波的条件下，分析了两种频谱函数下的仿真结果。

Results showed that fractal dimensions of different disfigurement categories have better distributivity aiming at the mean values and mean square values of nine characteristic quantities,and it was feasible to use feature parameter to describe wood surface disfigurement.

针对这九个特征量的均值和均方差值做了分析，结果表明不同缺陷类别的分形维数有较好的分布性，用这些特征参数描述木材表面缺陷是可行的。

As to the problem of divergency of conventional power flow method,By using an augment eqution this method can get the exact limit of voltage stability and the whole PV curve without encountering the numerical difficulty of ill-conditioning.

针对常规潮流法在鞍结分岔点附近不收敛，该方法通过增加一维潮流方程，消除了功率极限点附近的雅可比矩阵奇异的现象，获取精确的电压稳定极限和整支PV 曲线。

On the basis of experimental research, this thesis applies 2-dimensional non-linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. When the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. The computing results are in good agreement with the test data. It indicates that the program is stable and precise.

在试验研究的基础上，本文采用精度较高的三角形六结点单元对构件截面二维非线性瞬态温度场进行了有限元分析，即在空间域内采用有限元网格划分，在时间域内采用有限差分网格划分，据此编制了计算程序，计算结果与试验数据符合较好，程序稳定性好，精度满足要求。

In chapter 3 of this work, we made some improvement on the base of original work and proposed a double exposure multi-beam interference method to fabricate a hexagonal lattice with irregular columns.

在以前的工作中，我们曾使用衍射分束器件得到三束呈伞状对称的光束相互干涉，制备出了对TE和TM两种模式同时具有较大带隙的二维三角结构光子晶体。

On the base of finishing image matching, Aiming at the fact that sequence image matching and binocular stereo image matching simultaneously exists in three dimensions movement analyses based on point feature, The method of double matching restrict combining sequence and stereo image matching is brought forward in matching distinctness stage after researching and anglicizing the character of sequence matching and stereo image matching in processing.

在完成图象匹配的基础上，针对基于点特征的三维运动分析中，同时存在序列、立体图象匹配问题，研究分析该过程不同匹配的特点，提出了序列、立体匹配相结合，分阶段的双匹配约束方法。

A three dimension mathematical model is developed which is used to calculate electric field of rare earth electrolytic cell with adjustable anode.

建立了可调极距式稀土电解槽电场计算的三维数学模型，通过有限差分方法对电解槽的电场进行了计算机模拟，并对结果进行分析与讨论，为电解槽的设计及改造提供了理论依

At first, the application of complementary variational method in three dimensional electrostatic field computation is discussed.

首先，研究了互补变分方法在三维静态电磁场计算中的应用。

The three-dimensional motion equation of the cable-damper system is established and discretized by the finite difference method.

建立斜拉索—阻尼器系统的三维运动方程，并采用有限差分法进行离散化。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。