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The factors which influence holography diffraction efficiency, the angle selectivity of volume holography and wavelength bandwidth are analyzed with the coupled wave theory.

利用耦合波理论分析了影响体积全息图的衍射效率的因素、体积全息图的角度选择性以及波长带宽等方面。

In part two, this thesis is dealt with properties of solutions to a degenerate parabolic system coupled via non-local sources, subject to homogeneous Dirichlet conditions and nonnegative initial data.

第二部分，讨论了一类具有齐次Dirichlet边界条件和非负初值的非局部源耦合的退化抛物系统的第一初边值问题。

Second, we consider the strongly coupled elliptic system with homogeneous Dirichlet boundary conditions. The prior estimates for thesolution of nonlinear elliptic system are derived. It is shown that there is no coexistence state if diffusion rates are strong, or if the intrinsic growth rates are slow.

第二章研究带齐次Dirichlet边界条件的强耦合椭圆系统，首先推出非线性椭圆系统解的先验估计，然后证明了当食饵和捕食者的扩散率足够大，或者出生率足够小时，系统不存在共存现象，并给出半平凡解存在的充分条件。

With the method of upper and lower solutions,its associated monotone iterations and the fixed point theorem,the coexistence solutions to a strongly coupled elliptic system are studied.

采用上下解及相应的单调迭代序列的方法，结合Schauder不动点定理，研究带Dirichlet边界条件的两种群的互惠模型强耦合问题共存解。

The physical model and mathematics are established in which the coupled influences with other systems and the ellipticity of roll, the diameter deviation of roll, and mechanical gap are considered.

针对电力拖动子系统本身的特点，本文对主提升子系统和电力拖动子系统之间的耦合进行了处理，即将电力拖动的输出转矩作为阶跃激励施加在主提升系统上。

We discussed the coupled generalized BBM equations with pseudodifferential operator in Chapter three.In this chapter we get the global existence for the Cauchy problem by Banach-fixed point theorem ,a priori estimates and Sobolev embedding theorem.

第三章讨论了具拟微分算子的广义BBM方程组，通过Banach不动点定理、解的先验估计和Sobolev嵌入定理得到了解的整体存在性。

By extending the square map, a one-dimensional generalized square map with exponential factor is constructed, and its corresponding two-dimensional map is obtained via one-order coupled item in this paper.

由平方映射延伸构造出了一类含指数项的广义平方映射，并由一维映射通过一次耦合项得到了二维映射。

By extending the square map,a one-dimensional generalized square map with exponential term is constructed,and its corresponding two-dimensional map is obtained via one-order coupled item in this paper.

由平方映射延伸构造出了一类含指数项的广义平方映射，并由一维映射通过一次耦合项得到了二维映射。

A 2-D coupled numerical model, which is the combination Boussinesq equations solved by finite difference method with Laplace equation solved by boundary element method, is established.

Boussinesq方程与Laplace方程耦合计算模型：1 建立了外域用有限差分法求解Boussinesq方程、内域用边界元法求解Laplace方程的二维耦合计算模型。

The results have been compared with that by using coupled mode theory , Rouard s method and fundamental matrix method, and the accuracy.

用这一方法计算了均匀光纤光栅布拉格相位匹配、失配情况和非均匀光纤光栅的反射系数，并将其结果与用耦合波理论、Rouard方法以及基础矩阵方法的结果进行了比较，并检验了这些方法的精度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。