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The unification of all kinds of explanation of"Dynamical stiffening"was discussed.

指出各种对于动力刚化的解释具有一定的统一性。

Quasi Hamiltonian system; nonlinear stochastic optimal control; robustness; robust control; parametric uncertainty; uncertain disturbance; Bouc-Wen hysteretic system; Preisach hysteretic system; minimax optimal control; stochastic stabilization; stochastic averaging method; stochastic dynamical programming principle; stochastic differential game; maximal Lyapunov exponent

国家自然科学基金；拟Hamilton系统；非线性随机最优控制；鲁棒性；鲁棒控制；参数不确定性；不确定扰动； Bouc-Wen滞迟系统； Preisach滞迟系统；极小极大最优控制；随机稳定化；随机平均法；随机动态规划原理；随机微分对策；最大Lyapunov指数

Suppose that the local source of traffic demand of the intersection is a stochastic variable of known parameter. An optimal control assignment model of the link of the dynamical transportation network flows of stochastic system is founded. Allowing for the construct of the model, based on the objective function of the link is transformed to based on the objective function of the intersection in order to solve it.

假设交叉点的局外入流是某已知参数的随机变量的情况下，建立了目标函数基于路段的随机系统最优的动态交通网络流分配的最优控制模型，充分分析该模型的结构，将该模型的目标函数转化为基于交叉点的目标函数，以便于求解该问题。

In Chapter 3,Stroboscopic maps are derived to describe precisely the nonlinear dynamical characteristics of Boost PFC converters under peak-current control mode.

第三章推导出了一组频闪映射方程来精确描述峰值电流控制型Boost PFC变换器的非线性动力学特性。

Using the discrete dynamical system determined by the stroboscopic map, an exact 1-periodic solution of the system which is with Beverton-Holt function and the threshold conditions for its stability are obtained.

运用由频闪映射决定的离散动力系统，得到了具 Beverton-Holt 功能函数系统的精确1-周期解，并讨论了它在临界条件下的稳定性。

This treatise set, forth the importance of symmetry principle in physical theoretical system from the high plane of methodology and discusses the dialetical relationship among symmetry,dynamical equations and conservation laws.

从方法论的高度阐述了对称性原理在物理学理论体系中的重要性，论述了对称性、动力学方程和守恒定律之间的辩证关系。

The new method is proposed based on the two dynamical properties of symmetry and relative equilibrium, which are owned by general mechanical systems.

论文在李群框架下审视机械系统的动力学方程，普通机械系统所具有的对称性和相对平衡性质为新方法提供了理论依据。

In chapter III,we investigate the lattice dynamical properties of tetragonal La2CuO4single crystal using a five parameter rigid-ion model.

在第三章中，我们用一个五参数的Rigid-ion模型对正方结构La2CuO4单晶的晶格动力学性质进行了研究。

The study of attractors of dynamical systems occupies an important position in the modern qualitative theory of differential equations.

动态系统的吸引子的研究在微分方程的现代定性理论里占用一个重要的位置。

First the dynamical game model is created for them. Then the optimal solution of the model is given by the theory of differential games.

首先建立两国的动态博弈模型，然后利用微分对策理论分析模型的均衡解。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。