查询词典 dynamic system

Electro-hydraulic servo valve is the key component of electro-hydraulic servo system, the test of its static and dynamic characteristic is significant in theories and test research of electro-hydraulic servo system.

电液伺服阀是电液伺服系统中的关键元件，其静态和动态特性测试在电液伺服系统的理论与实验研究中具有十分重要的意义。

Control rules' selecting and parameters' tuning are two key problems in the system.Dynamic teaching mode is adopted to realize interaction with students in the system.

在过程控制系统课程的讲授中，不仅要对PID控制策略从理论上进行详细阐述，还要通过理论分析让学生最终能够在实践中灵活应用。

The simulated model and the system identification model of the gear transmission system's dynamic performance have been developed.

特别是在机床和汽车行业，齿轮成为提高质量和生产效益的关键环节，齿轮传动动态性能的研究越来越受到国内外学者的关注。

In order to understand the swirl system deeply,the three-dimensional particle dynamic analyzer was used to measure the velocities of the steady turbulent cold flows in the swirl three-branched modular junction located at the end of the exhaust system,and three-dimensional numerical simulation of the flows was carried out by use of the ALE algorithm.

为了深入研究螺旋流排气系统的工作机理，作者利用三维粒子动态分析仪(3D-PDA)，对一始端螺旋流三分支模件的稳态湍流流场进行了测量，并用ALE法进行了三维流动数值模拟。

The main contents and results of research in this paper are shown as following: It is important to built the motion model of a virtual system. As the virtual object is the submarine in this simulation system, we studied on the motion model of the submarine and gave the submarine six DOF space motion equation MultiGen-Paradigm corporation's modeling software named Creator is used, the modeling of all entities and 3D terrain in virtual ocean environment is accomplished. Then introduced the theory of Large Area Database Management and realized the Large area database management; In the course of 3D scene simulation, Vega is utilized to develop the project. The building of 3D scene is done, which includes the simulation of static and dynamic ocean surface, realization of ocean wave, simulation of bow wave and stern wake, utilization of lighting and material, simulation of cloud and fog, kinematics' modeling of submarine etc.

论文的主要研究工作和成果包括以下一些内容：建立虚拟对象的运动模型是构造一个虚拟系统的关键所在，建立的运动模型准确与否直接关系仿真对象模拟的逼真度，由于本仿真系统的虚拟对象是潜艇，所以对潜艇的运动模型进行了研究，给出潜艇空间六自由度运动方程；利用MultiGen-Paradigm公司的Creator建模软件完成虚拟海洋环境中个实体模型建模和三维海底地形模型的建模；然后介绍了大地形数据库管理(LADBM，Large Area Database Management)技术的基本原理，实现大地形数据库管理；在三维场景仿真中，使用Vega驱动软件进行软件开发，完成了三维场景空间的建立，主要包括动态和静态海洋的仿真、海浪、船首波浪和传尾尾迹的实现，灯光和材质的使用，云和雾的模拟等。

A finite element model of the rotor system with a disk located at one-third span of the shaft was presented to investigate the dynamic characteristics of a single-disk rotor system with the ends mounted on viscoelastic elastomeric dampers.

为了研究两端黏弹性橡胶阻尼器支承单盘转子系统的动力学特性，建立了轮盘位于1/3轴跨处的转子系统有限单元模型。

The results show that hydraulic pipe diameter has great influence on dynamic response of the directly-driven hydraulic system,and pump damping obviously affects output pressure and velocity of the hydraulic system.

研究结果表明：液压系统的管路直径对系统的动态响应有较大的影响，泵的阻尼对液压系统的输出压力及输出速度影响很大。

The system of acquirement by good faith which is taking unauthorized disposition as premise is an important system in the Law of Reality, its setting aim is to stick up for the dynamic safety of property bargaining, and harmonize balance the interest relationship between the real property people and the 3rd person.

以无权处分为前提的善意取得制度是物权法上的一项重要制度，其设立的宗旨在于维护物权交易的动态安全，并协调与平衡真实物权人与第三人之间的利益关系。

Therefore, as one of the most perspective applications, P2P streaming system has become one of the hotspot of P2P research.This paper conducts in-depth research on several basic issues of P2P streaming system, including the design of P2P overlay network, optimizing the topology based on underlay network, managing member nodes, and scheduling dynamic data set between data sending nodes to obtain minimum delay, etc.

本文针对大规模流媒体应用部署中的若干问题对P2P流媒体技术进行了深入的研究，从覆盖网结构、节点管理、数据分发以及异常处理等方面分析比较了几种典型的P2P流媒体系统模型，针对解决当前主流的图状拓扑模型在实现中存在的组播结构不稳定、异构性节点适应性差、数据调度效率低、开销大等问题，提出了一套完整的面向大规模网络视频直播的P2P流媒体系统AVStreamer的设计和实现。

Improve dynamic characteristics of the system. Realize the on line adjusting of the system by self-adapting changing the parameter of the controller.

通过自适应改变控制器的参数实现了系统的在线调节，从理论上证明了能够有效地抑制一机架出口厚度的波动。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷