查询词典 dynamics

On the basis of analyzing the reason that produce hydraulic impact, the dynamics of vibration wheel of vibration compactor and dynamics of vibration hydraulic system were analysed, the mathematics model of vibration hydraulic system was set up and its output models for pressure and flow were deduced.

在分析液压冲击产生原因的基础上，进行了振动压路机振动轮的动力学分析和振动液压系统的动态分析，建立了振动液压系统的数学模型，同时推导出系统压力和流量的输出模型。

Atypical problem is that our learners of WBI have no enough dynamics to study whenthey face the key composition of our WBI—online course. How to raise the learningdynamics by effective designing of online course is very important. In view of this, westudied how to improve learning dynamics of WBI learner by effective design of onlinecourse.

一个典型的问题就是，我们的网络学习者在面对我们网络教育的核心成分—网络课程时，积极性并不高，也就是说没有足够的动力去学习，由此看来研究如何通过对网络课程的有效设计来提高学习者的学习动力的问题有着相当重要的意义的。

ABSTRACT The main content of this dissertation is focused on formal Verification of Hybrid Systems with complex continuous dynamics. The research pivot is to solve the difficulties of Discrete model Approximation of Complex Continuous dynamics .

本文所有论述均围绕着解决具有复杂连续动态混合系统的形式验证这个主题而展开，以解决验证中复杂连续动态的离散近似所存在的困难为研究重点。

Recently, the study of the critical state dynamics has achieved great advance based on the development of vortex dynamics.

然而近年来基于涡旋动力学理论的发展，逐步形成了临界态动力学研究课题。

By the binding of two colloidal particles in Brownian Dynamics Simulation binding, colloidal particles, Brownian dynamics simulation, the two particles, diffusion tensor, hydrodynamics, methods, low Reynolds number, aqueous solution, distance, colloidal suspensions, since correlation function, cross correlation function,...

受束缚的两个胶体粒子的布朗动力学模拟束缚，胶体粒子，布朗动力学模拟，两个粒子，扩散张量，流体力学，方法，低雷诺数，水溶液，距离，胶体悬浮系统，自相关函数，互相关函数，。。。

Combined with vehicle handling dynamics, it also promotes dynamics simulation on crosswind stability in high speed.

为深入研究高速行驶侧风作用下乘用车气动特性以及结合汽车操纵动力学对侧风稳定性进行动力学仿真提供了有利的参考。

The dynamics behaviors of a relative-rotation nonlinear dynamics system with cubic coupled terms are studied.

研究了一类含三次非线性耦合项的相对转动非线性动力系统的动力学行为。

A model of development of agro-industry in Jiang-han plain was proposed, factors affecting the development of agro-industry in Jiang-han plain were decided using delphin and analytic hierarchy process, and systematic dynamics flowing chart and equation of agro-industry in Jiang-han plain were established utilizing systematic dynamics method.

对江汉平原农产品加工业发展的模型提出了合理的假设，运用德尔斐法和层次分析法确定了影响江汉平原农产品加工业发展的主要因素，用系统动力学方法建立了江汉平原农产品生产和农产品加工业的系统动力学流图、模型，分别对江汉平原农产品资源和农产品加工业发展进行了预测和检验，为制订江汉平原农产品加王业发展战略奠定了基础。

The curriculum comprises the fundamental concepts of point set topology, differential manifold and differential dynamics, followed by the conceptions and theoretical methods of abrupt change, bifurcation, chaos and fractal. The analysis and compare combined with the practice in power system make it easy for readers to learn the basic methods of nonlinear dynamics and write high quality papers.

本课程主要内容包括点集拓扑学、微分流形和微分动力系统的基本概念，后面部分主要涉及到突变与分叉、混沌、分形和分维概念和理论方法，并结合电力系统实际例子加以分析与比较，使读者很快掌握非线性动力学的基本方法，能够写出高质量的文章和学术论文。

In this paper, the modeling theory of multi-rigid-body dynamics was thoroughly investigated in order to make up the shortcoming in the above modeling method. The major research achievements are as follows:①Based on the matrix of direction cosine between the body-fixed base and the reference base, and Poisson equation of a rigid body rotating, the coordinate transformation method for the modeling of treelike multi-rigid-body dynamics is derived. The method is very routinization and easy to use the computer to carry on the symbol derivation.

本文针对上述建模方法存在的不足，深入地研究了多刚体系统动力学的建模方法，并将所研究的新方法应用于惯性振动设备的建模，取得的主要研究成果如下：①基于刚体连体基关于参考基的方向余弦矩阵和刚体转动的Poisson方程，导出了建立树形多刚体系统动力学方程的坐标变换法，其过程极其程式化，便于利用计算机进行符号推导。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。