查询词典 nonlinear

The nonlinear phenomena in above experiments can be explained by probability density distribution of micro-cracks.

用岩石样品在恒定压力下的蠕变实验，得到岩石的蠕变曲线。

Many natural phenomena and physical laws can be described by time dependent nonlinear differential equations, such as heat conduction equation, sound wave and elastic wave equation, reaction diffusion and convection diffusion equation, fluid and aerodynamics equations, etc.

大多数的自然现象与物理规律都可归结为与时间相关的非线性偏微分方程，诸如热传导方程、声波与弹性波方程、反应扩散与对流扩散方程、流体与气体力学方程组等发展方程。

Based on nonlinear integral equation,the inversion equation is derived by using the variational principle.

该方法基于非线性积分方程，利用变分方法来建立反演方程。

This paper discusses robustness analysis for a class of nonlinear descriptor systems.

本文讨论了一类广义非线性系统的鲁棒性分析问题。

Chaos is a kind of quasi-stochastic behaviors of determinate nonlinear system.

混沌现象是确定性非线性系统表现出的一种类随机行为。

By utilizing the basic theory of chaos and fractal,on the basis of reading a vast amount of literatureand summing up predecessors achievements,using the three methods of analysis,computation andexperiment,this paper research for the overlapping embedment topology distribution structure of thegeneralized M-J sets and chaos phenomenon in the multi-dimension determinate nonlinear system(such as the cardiac system of species of the different level of evolution,the two-dimensional nonlinearmap,etc).

本文利用混沌与分形的基本理论，在大量阅读文献，总结前人的成果的基础上，采用解析、计算和实验三种手段并用，主要研究了广义M-J集的嵌套拓扑分布结构和多维确定性非线性系统(如进化程度不同物种的心脏系统、二维非线性映射等)中的混沌现象，取得了以下方面的创新

Chaos is a kind of complicated and random phenomenon that is determined wholly by deterministic nonlinear system.

混沌是指在确定的非线性系统中出现的一种非常复杂的随机现象。

Based on code for design of steel structures GB50017-2003 and using the three column subassemblage model,a governing equation for determining the effective length factor of columns for non-sway semi-rigid composite frames was derived considering the effects of the nonlinear moment rotation characteristics of beam-to-column connections and composite action of slab.

本文基于钢结构设计规范GB50017-2003，利用三柱子框架模型，考虑了连接的非线性弯矩-转角关系和楼板组合效应的影响，推导了无侧移半刚性连接组合框架柱的有效长度系数方程式，同时考虑了梁端和柱远端不同约束情况对有效长度系数的影响。

Firstly, according to the difficulties in the optimization of chemical engineering and the intrinsic disadvantage of deterministic optimization algorithms, this work analyzed the importance and advantage of stochastic algorithms, and proposed some important aspects in research on them. Secondly, genetic algorithm was applied to two problems of data driven modeling, one of which was combination problem, the other was mixed integer nonlinear programming. Thirdly, systemic investigations were made on the basic structure, dynamic behavior and modifications of particle swarm optimization. Lastly, two kinds of proposed PSO algorithms were applied on calculation of phase equilibrium, which is nonconvex optimization.

本文首先根据化工优化中存在的困难和确定性优化算法内在的缺点，分析了随机优化算法的重要性，并提出研究随机优化算法应注意的问题；其次，将遗传算法应用于两个数据驱动建模问题，一为组合优化问题，一为混合整数优化问题；再次，从粒子群优化算法的基本结构、运动行为、改进方法做了系统的研究：最后，将提出的两种改进粒子群优化算法应用于相平衡计算问题，为非凸全局优化问题。

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。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。