查询词典 dynamic update

The main content will be about dynamic mode of recruiting, dynamic mode of teaching, dynamic mode of testing, dynamic mode of school roll management, and so on. Some peripheries are also discussed for further research.

特别对动态招生模式、动态教学模式、动态考试模式和动态学籍管理模式等发表了作者的见解，另外，在其它一些方面，也谈了作者的部分想法。

Based on the background given above, this dissertation studies the theories and technologies related with dynamic balancing , makes full use of DSP chips wonderful computational performance, finally researches and designs a portable dynamic balancing system, simplifying the field dynamic balance of rotating machines. Besides, a new method named Order Tracking Based On Phase is presented, which realizes order tracking purely by software. This method simplifies the hardware set for dynamic balancing and has the definitude physical meaning.

基于这样的背景，本文在对动平衡原理及技术方法深入研究的基础上，利用DSP芯片的高计算性能研制便携式嵌入式动平衡系统，使得旋转机械的现场动平衡工作更为简化方便；同时对与动平衡信号处理密切相关的阶比跟踪方法进行了深入研究，在此基础上提出了基于相位的阶比跟踪方法。

First, this paper presents three girders model with double cable planes which main girder and side girder is connected by rigid arms, analyzes the dynamic characteristic of Yonghe cable-stayed bridge and obtains its natural vibration modes (i.e., frequency, damping values and the mode shapes ) by ANLSIS structural analysis program and uses these parameters as dynamic dactylogram of the intact case of cable-stayed bridge. Using the passage of random as the ambient vibration ,the dynamic properties of Yonghe Bridge is measured and the modal parameter of its 15 years after is identified and used as dynamic dactylogram of the damaged case. By the finite element analysis and locale vibration test, damaged and undamaged modal parameter is analyzed and curvature mode shape, which is sensitive to damage state, is introduced as possible candidate for identifying and locating damage in the cable-stayed bridge. Selecting the branch of part measured point from modal parameter, this paper deduces the damaged index which can detect the possible damaged location of the cable-stayed bridge deck and identifies the damaged region and degree for Yonghe Bridge. For the purpose of structural condition monitoring in in-situ , from another viewpoint, this paper introduces the method called the best optimization vector to detect damaged location and degree. The accuracy and reliability of the method presented in this paper are demonstrated by static analysis and test and the healthy state of Yonghe Bridge can be evaluated.

建立了双索面通过刚臂与主梁及边梁相连的三梁式力学模型，采用ANSYS结构分析程序对永和斜拉桥进行动力分析，对其振动模态参数进行识别，以此作为斜拉桥完好状态下的动力&指纹&；采用自由交通流作为环境振源，对永和斜拉桥动力特性进行测试，识别出永和斜拉桥使用15年后的模态参数，确立了破损状态下的动力&指纹&；利用有限元分析、现场振动测试，对破损前后的模态参数进行分析，提取对破损状况较敏感的模态曲率作为斜拉桥破损诊断的参数；并从模态参数中选取部分点的分量，导出可以指示斜拉桥桥面大概损伤位置的Index损伤指标，识别出斜拉桥发生破损的区段及破损程度；考虑大型斜拉桥在线监测要求识别破损的具体位置，从另一角度提出采用最优矢量法具体确定破损发生的位置及程度；为验证本文研究成果，对永和斜拉桥进行静力分析及静力测试，对其健康状况提出可靠的评价。

Sponsored by the National Natural Science Foundation under the National Key Project"The modern method and system for remote pseudo dynamic testing of structures under earthquake simulation"(50338020), some studies on the method for remotely collaborative hybrid dynamic testing of substructures and structural elements have been carried out in this thesis. The main research achievements are summarized as followings: Based on the network communication platform NetSLab (Networked Structural laboratories) developed by the research group, the rational framework of a platform for remote pseudo dynamic testing applications of substructures and structural elements is proposed and a robust standardized platform entitled NetSLab-SDOF has been developed for remotely collaborative hybrid dynamic testing of single story structures with Visual Basic program language. It is composed of four modules, named as control center, physical tester, virtual tester, and remote observer.

本文结合国家自然科学重点资助课题&现代结构拟动力地震模拟协同试验方法与系统&(50338020)，对结构远程协同拟动力试验方法进行了研究，主要成果如下：基于课题组开发的网络平台NetSLab，搭建了结构远程协同拟动力试验平台的构架，采用Visual Basic语言开发了一个标准化的开放式单层结构远程协同拟动力试验平台NetSLab-SDOF，它由控制中心、真实试验机、虚拟试验机和远程观察器四个模块组成。

With the five yield performance parameters dynamic simulation models for two crops of winter and summer maize, leaf area index and ear number dynamic accorded with the same equation of y=/(1+cx+dx2), and the Logistic equation y= a /(1+be-cx) could make a good estimation of dry matter accumulation and grain weight dynamic well, but the duration dynamic conformed to y=/.

本研究于2006—2008年连续两年对河北廊坊、2006—2007年河南温县及2007—2008年河南焦作两作物不同品种(冬小麦：藁城8901、烟农19、轮选987、豫麦49和FS230；夏玉米：益农103、郑单958、登海601和农华0379)、不同密度及不同播期与收获期的产量性能公式MLAI×D×MNAR×HI=EN×GN×GW中的7项指标动态进行系统测定并建模分析，结果表明：1。

At the present time, MWFS has the disadvantages of slow dynamic response, dynamic measuring error and coupling between axises. At the same time there is also dynamic nonlinear in the coupling channels. These problems affect MWFS's dynamic quality badly.

目前腕力传感器存在着动态响应速度慢、动态测量误差和维间耦合问题，此外在耦合通道还存在着动态非线性作用，这些问题严重影响了腕力传感器的动态品质。

The object of this paper is to study how to use the scaling rules and the dynamic behaviour of a scale plate model subjected to the scale dynamic loads to predict the dynamic characteristics of a full-size flat plate subjected to the actual dynamic loads.

本文的主要目的在於探讨如何使用比例法则以及缩小平板在承受缩小外部负载时的动态特性，来预测原型平板承受实际外部负载时的动态行为。

An equal cross-section blade was investigated and a finite element model was built parametrically. Geometrical parameters (such as length, width and thickness), material parameters (such as young's modulus and density) and speed of blade were considered as input random variables while the static frequencies and dynamic frequencies were output random variables. Combining the finite element method, response surface method and Monte Carlo method, the statistical properties and cumulative distribution functions of static frequencies and dynamic frequencies were obtained. Probability sensitivities analysis, which combined the slope of the gradient and the width of the scatter range of the random input variables, was applied to quantitatively evaluate the sensitivities of static frequencies and dynamic frequencies with respect to the random variables. The Scatter plots of structural responses with respect to the random input variables were illustrated how to adjust the values of the static frequencies and dynamic frequencies by changing input random variables.

文中以某试验台用汽轮机等直叶片为研究对象，考虑几何参数、材料参数和转速的随机性，通过有限元参数化建模，将确定性有限元方法、响应面方法和Monte-Carlo模拟法相结合，从而获得了叶片静频、动频的统计特性和累积分布函数；同时考虑随机变量的梯度和离散范围对静、动频的影响，通过概率敏感性分析，定量地判断出叶片静、动频对随机输入变量的敏感性；通过绘制叶片静、动频与输入变量的散点图，定量地分析了如何改变随机变量以调整静、动频率的方法。

2Aim to the instance of AJiuTian hydropower project, on the basis of thedeep analysis for system exploitation, surrounding three goal of hydropowerengineering, the management and control system of dynamic visual information forhydropower engineering is developed. The development of method of schedulemanagement and control system, investment management and control system, qualitymanagement and control system, engineering three-dimension dynamic visualsimulation, engineering geology three-dimension dynamic visual simulation areadvanced, management and control of dynamic visual information for hydropowerengineering faced construction scene is realized, which provide manager with fast,exact decision-making support.

2紧密结合云南苏帕河阿鸠田水电工程的具体情况，在分析系统开发思路及原则的基础上，围绕水电工程项目管理的三大目标，研制开发了阿鸠田水电工程可视化动态信息管理与控制系统，提出了工程进度管理与控制系统、工程投资管理与控制系统、工程合同管理系统、工程施工三维动态可视化仿真系统、工程地质三维可视化模拟系统等多个子系统的功能设计及实现方法，实现了直接面向施工现场的工程动态信息的可视化管理与控制，为管理人员提供迅速准确的决策支持。

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Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。