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Dynamical mechanism of urban Sociospatial evolution was a" hot-spot" study field in the foreign academe just as sociology, geography, demology and urban planning, and it also formed different theories.

城市社会空间演变的动力机制问题一直是国外城市社会学、地理学、人口学、规划学等学科研究的热点，形成了各种理论流派。

For any dimension vector , there exist the generic decomposition, and a dense and closed subset V of system space R〓 corresponding to this decomposition such that, for each dynamical system M∈V, every indecomposable summand of M thus M is clear.

对任意的维数向量，存在一般分解，以及系统空间Rm，n，p中稠密的开子集V，并且我们对V中每个系统的不可分解直和项知道得很清楚，进而对V中每个系统也非常清楚。

Chapter two study iteration of a serial of polynomial, discussed the sufficient and necessary conditions and denseness of the Julia set, the relative random dynamical system is constructed by some high degree polynomial. In addition, it discuss the Mandelbrot set of a kind of polynomial.

本文的第二章主要研究多个函数的特定迭代序列，讨论了高次多项式的随机复动力系统的Julia集的连通的充分必要条件以及稠密性问题，同时还讨论了一类多项式函数的Mandelbrot集。

Using algebraic dynamical method, we have obtained the exact analytical solutions to the time dependent Schroedinger equations.

我们用代数动力学方法对以上两种系统进行求解，得到了严格的解析解。

The phase separation kinetics of liquid crystalline polymer/flexible polymer blend was studied with the coupled time dependent Ginzberg Landau equations for compositional order parameter and orientational order parameter S ij , which were numerically solved by means of the cell dynamical system in two dimensions .

利用元胞动力学方法在二维情况下对浓度、取向序参量的含时Ginzberg Landau方程进行数值求解，研究了液晶聚合物/柔性链聚合物共混体系的相分离动力学，考察了浓度、取向有序过程的耦合对相分离形态的影响。结果表明，此耦合作用对相分离的时间进程以及相分离图样的空间排布都有影响。

This technique can be used for observing time sequencing dynamical process of great depth of object field.

这种技术可用于研究大景深物场的时间序列动态过程。

We present the fundamental theories of Noether symmetries and conserved quantities of mechanco-electrical dynamical systems, including variation principle of the system, Noether symmetry transformation, Noether quasi-symmetry transformation, generalized Noether quasi-symmetry transformation, Killing equations, Noether theorem, the form of conserved quantity. And then the basic theory of Lie symmetry is advanced, including the determining equation, structure equation and the form of conserved quantity.

给出机电动力系统的Noether对称性和守恒量基本理论，包括系统的变分原理、Noether对称性变换、Noether准对称性变换、广义Noether准对称性变换、Killing方程、Noether定理和守恒量的形式；给出机电动力系统Lie对称性的基本理论，包括确定方程、结构方程以及守恒量的形式。

Chaos is the deterministic, random-like process appeared in nonlinear dynamical system.

混沌是在非线性系统中出现的确定性的类随机过程。

Chaos is the deterministic, random-like process appeared in nonlinear dynamical sy...

混沌是在非线性系统中出现的确定性的类随机过程。

Firstly, the reduced dynamic model including motor dynamics is developed for mobile manipulators. The system is then decomposed into four lower-dimensional subsystems by applying diffeomorphism and nonlinear input transformation to the reduced model. The design of the second order dynamical sliding mode controller is then addressed for the output tracking of mobile manipulators.

首先给出了包括驱动电机动态特性的移动机械臂的简化动态模型，然后通过微分同胚和输入变换将其分解为四个低阶子系统，并给出了其输出跟踪的二阶动态滑模控制器的设计方法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。