查询词典 dynamics

The modeling theories on dynamics of flexible multibody system are reviewed.In chapter 2, the geometric nonlinear relationship between strain and displacement is utilized in describing the nonlinear displacement field. The FEM discrete model of the arbitrary flexible beam in non-inertial frame is derived by the Kane's method.

第二章从几何非线性应变-位移关系描述非线性变形场，使用有限元方法离散三维任意截面柔性梁，用Kane方法对离散的模型建立动力学方程，并通过算例验证了算法的正确性和可行性。

This paper attempts to study the non-linear dynamics of cables.

本文对弹性斜拉索的非线性动力学进行了研究。

This course consist of the following contents: the basic law of chemistry reaction, Chemical Thermodynamics, Chemical Equilibrium, chemical dynamics, modern basic knowledge about substance structure theory, the four ionic equilibrium in the water solution, Colligative Properties of Dilute Nonelectrolyte Solution, and Colloid.

本课程主要包含以下内容：化学反应的基本规律、介绍化学热力学、化学平衡、化学动力学基本原理、基本知识。近代物质结构理论基础知识。水溶液中的四大离子平衡。稀溶液通性和胶体溶液基本知识。

Charges accumulation and electric field development within two convective clouds which had different degree of convection and wind shear in Changchun were simulated by introducing an improved noninductive charging mechanism including the influence of particle diameters and impact velocity into the three-dimensional dynamics and electrification coupled model.

在三维强风暴动力和电耦合数值模式的基础上，考虑了粒子直径及降落末速差对转移电荷的影响，把非感应起电参数化方案作了进一步改进，对长春地区两次不同强度、不同环境风切变的对流云内电荷累积和电场发展过程进行了模拟分析。

The nonlinear lattice dynamics and an expression of nonlinear macroscopic polarization are derived in terms of optic phonon modes.

导出了用简正坐标即声子模式所表达的非线性晶格动力学和非线性宏观极化。

Taking account of the recent situation and development trend of nonlinear dynamics, this paper deals with the propective survey of the nonlinear dynamic research of complex systems in the 21 the century from six aspects.

根据非线性动力学的研究现状和发展趋势，从六个方面去展望复杂系统的非线性动力学研究在21世纪的动向，探讨与其有关的动力系统理论和应用研究中面临的一些重大问题。

Based on the recent situation and trend of the nonlinear systems, we present some recent developments and important problems in stochastic dynamics such as response, bifurcation , chaos, synchronization and control.

摘要介绍了非线性随机动力学的响应、分岔、混沌以及混沌同步与控制的研究现状和发展趋势，探讨了随机复动力系统、时滞系统、逼近方法和数值方法研究中的若干问题及其进展。

This paper develops a nonparametric model of interest rate term structure dynamics based on a stochastic spot rate process and nonparametric kernel estimation.

本文在现有利率期限结构理论的基础上，利用随机过程原理和非参数核估计法，建立非参数利率期限结构动态模型。

According to some concepts on symbolic dynamics and properties of minimal nonchaos on Sturmian System, a kind of subshift is made and it is generated by a nonperiodic recurrent orbit and study its properties.

利用符号动力系统的相关概念和Sturmian系统的极小非Li-Yorke混沌属性，构造了一类由非周期回复点生成含有周期点的子转移系统，并研究了其性质。

From the zero dynamics algorithm the norm form for general nolinear control systems is presented, which is extension of the affine nonlinear systems.

摘要研究了一般非线性系统的零动态算法，得到了应用广泛的正则标准形，只需对系统做较弱的正则性假设，即平衡点附近某些分布是非奇异的。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。