查询词典 elliptic system

This system can replace traditional elliptic pore size measuring method due to its efficiency and high precision.

本系统能取代传统的椭圆型孔径检测方法，简单迅速精度高。

The main contents of this course include: the construction, convergence, compatibility and stability of finite difference scheme of elliptic equation, parabolic equation and hyperbolic equation, the construction method and computation format of finite difference scheme of a system of partial differential equations.

本课程主要内容有：椭圆型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、抛物型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、双曲型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、偏微分方程组的有限差分格式的构造方法及有关的计算格式。

Some existence and uniquencess results are obtained for the nonlinear fourth order elliptic boundary value problems by using some results about the global homeomorphism theory and dynamical system theory respectively.

分别利用全局同胚理论和动力系统理论的一些结论，研究了非线性四阶椭圆边值问题解的存在性与唯一性。

Configuration feature: Constant green small tree, gao Keda 8m, bark brown gray, crack, branch is arranged loose, ramose from bottom to top gradually short, establish body tower look, big branch up or bend downward slightly, rod is long and straight, up extend, 4 arris form, close top shows a circle, it is scale leaf completely, scale leaf hands in each other opposite on rod, clingy rod, see 3 impeller are unripe occasionally, scale leaf grows 1.5-3.5mm, pointed or tip acute is blunt, small incurvate, without candle pink, have gland system, gland body is elliptic, be located in a leaf back radical ministry, individual plant of different of male and female, rare with individual plant.

科 属：柏科。圆柏属。形态特征：常绿小乔木，高可达8m，树皮褐灰色，条裂，枝条排列疏松，分枝自下而上渐短，树体塔形，大枝向上或略向下弯曲，小枝长而直，向上伸展，四棱形，近顶端呈圆形，全为鳞叶，鳞叶在小枝上交互对生，紧贴小枝，偶见三叶轮生，鳞叶长1.5-3.5mm，先端锐尖或钝，微内曲，无蜡粉，有腺体，腺体椭圆形，位于叶背基部，雌雄异株，稀同株。

The abstract result contains several concrete results in the literature and can also be used to deal with some new cases for resonant differential equations.In the introduction, we briefly introduce the development process of the variational methods. In Chapter 2, we list some basic knowledges refering to the variational methods, including the Sobobev space,—△ operator, the weak solution and the minimizing sequence methods and some minimax theorems. In Chapter 3, we introduce the research process of Hamiltonian system of second order and the semilinear elliptic problems, using the methods introduced previously. In Chapter 4, we prove the main theorem of the thesis, and apply it to the problems in the previous Chapter, and can also be applied to some new resonant cases.

在前言中，简要介绍了变分法的产生、发展过程，在第二章中我们介绍了有关变分法的一些基本知识，包括Sobolev空间，—△算子，弱解，极小化序列方法和一些极小极大定理，在第三章中我们介绍了非线性项有界或满足次线性条件，以及它满足推广的Ahmad-Lazer-Paul条件时，二阶Hamiltonian系统和半线性椭圆问题的研究历程，最后在第四章中我们证明了本论文的主要定理，并把它应用到第三章的问题中，使得前面的几种共振的情形都可以统一到这个抽象的结果中。

Then the single layer spherical, cylindrical, elliptic paraboloidal reticulated shell and double layer cylindrical reticulated shell are calculated on the large deformation stability respectively, which show the application of the development system on the large deformation stability analysis of space bar structures.

用所开发的系统对单层球面网壳、圆柱面网壳和椭圆抛物面网壳以及双层柱面网壳进行了大变形稳定性计算，说明了所开发系统的可应用性。

In this system, the consistencies of nutrition and restrainer satisfied two elliptic equations, but the tumor growth satisfied the Stefan condition on the boundary of the tumor field.

在这个问题中，肿瘤生长环境内部的营养物、抑制物浓度分别满足两个椭圆型方程，但是在肿瘤的边缘——该问题的自由边界，肿瘤的生长状态满足Stefan条件。

Mathematically, the miscible displacement of one fluid by another in a porous media is governed by a nonlinear coupled system of two partial differential equations, one of elliptic form for the pressure and the other of parabolic form for the concentration of one of the fluids.

数学上，多孔介质中一种不可压流体对另一不可压流体的相溶驱动由两个耦合的非线性偏微分方程描述。其中一个是关于压力的椭圆方程，另一个是关于浓度的抛物方程。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。