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A finite-difference time-domain algorithm is applied to study the one-dimensional unmagnetized plasma photonic crystals with time-varying, collision, warm, isotropic plasma.

采用时域有限差分法给出了电磁波通过时变的、各向同性的、热的、碰撞的等离子体构成的一维非磁化等离子体光子晶体的FDTD算法公式。

A finite-difference time-domain algorithm is applied to study the one-dimensional unmagnetized plasma photonic crystals with inhomogeneous,collision,warm,isotropic plasma under the isothermal hypothesis.

光子晶体的概念最初是80年代末由John S，Yablonovitch E[1-2]等人提出来的，是近年来深受关注的一个新兴的研究方向[3]。光子晶体是由多种介质材料构成，不同介质材料在空间中有周期性的分布结构。

A number of facts have approved that wavelet mainly adapts to the isotropic singularity object.but to the anisotropic singularity,such as the verge of image and the wirelike character, wavelet is not the best tool.

大量事实证明，小波主要适用于表示具有各向同性奇异性的对象，对于各向异性的奇异性，如数字图像中的边界以及线状特征等，小波并不是一个很好的表示工具。

In this paper, WKB method was used to analyse the buckling of an everted Varga spherical shell of incompressible, isotropic hyper-elastic material.

本文运用WKB方法，分析了各向同性且不可压缩的超弹性Varga材料球壳翻转后的变形问题。

Then, we apply WKB method to the analysis of the buckling of an everted Varga spherical shell of incompressible, isotropic hyperelastic mat...

对模数区域内几乎所有的模数，渐近结果与数字结果相吻合。其次还证明，对于A-B=O(m-1／2)，增量方程没有非零解。

Some typical torsion problems of isotropic or anisotropic bar with different sections, involving a straight, kinked or curvilinear crack are calculated. The numerical results demonstrate the validity and applicability of the present boundary element method.

分别对含有圆弧裂纹，曲折裂纹及直线裂纹的各向同性材料和各向异性材料柱体的典型问题进行了数值计算，所得结果证明了本文边界元方法的正确性和有效性。

The article considers that the magnetic material layer of MPCs is bismuth-substituted yttrium iron garnet which is ferromagnetic material, and the isotropic material layers are GGG, GaAs, SiO2, etc. Those materials have different relative permittivities.

文中所模拟的磁性光子晶体，其主要磁性层为亚铁磁性材料的渗入铋之钇铁石镏石(Yttrium Iron Garnet， YIG，)，而等向性介质则采用、GaAs等材料，其分别具有不同的相对介电常数。

Duplicate matches after the proportion, under 15~20 MPa pressure isotropic 5 min, and under 95~100℃ sterilizes for 5 min, a kind of health soft drink was finally obtained good for both young and old.

按比例复配后，在15~20 MPa压力下均质5 min，95~100℃下杀菌5 min，最终得到一种老少皆宜的健康型软饮料。

Fracture is caused by sheet's tensile instability, Hill's totalized instability theories and Swift's diffuse instability theories which based on continuous mechanics are applied to isotropic blank; Marciniak and Kuczynski's theories are applied to orthotropic blank, which introduced thickness imperfections normal to the principal stress and strain direction as a groove pre-existing defects in the material. The stability of each part of blank at each moment is described by numerical method, and the results are shown by computer simulation, thus the fracture in sheet forming can be predicted preciously.

拉裂是由于拉伸失稳引起的，以连续体力学为基础的Hill集中性失稳理论和Swift分散性失稳理论应用到各向同性板料进行失稳判定；将Marciniak和Kuczynski的凹槽损伤失稳理论应用到正交各向异性板料拉伸失稳判定，对板料各处在成型过程中不同时刻的稳定性进行数值化描述，并运用计算机仿真技术进行直观的表现，可以准确地预测板料成型中可能出现的拉裂现象。

For the frame foundation beam with prestressed anchor cable on the linearly elastic Winkler foundation model, elastic two-constant foundation model and isotropic elastic half-space foundation model, the thesis puts up the finite element computation model which can consider the harmonious deformation of the beam and foundation and the influences between the prestressed anchor cables. The limit design idea of the cable foundation beam has been brought out, which can ensure the safety of the beam with the limit capability of the anchor cable. The computing procedure has been given and programmed.

给出了包括线弹性Winkler地基模型、双参数线弹性地基模型以及各向同性弹性半空间体地基模型上预应力锚索地梁有限元力学计算模型，该模型能同时考虑地梁与岩土体的协调变形，各锚索预应力之间的相互影响，并据此编制了计算程序；考虑到锚索地梁的工作特点，提出了锚索地梁的极限状态设计思想，在充分发挥锚索承载力的同时保证了地梁的安全，给出了其具体计算过程和有限元程序。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。