结构的

In chapter Ⅰ, a historial review of structure control is given; In chapter Ⅱ, A discussion of the controllability and observablity of flexible structures is given, Two kinds of controllability and observablity index are defined, and applied to actuator allocation; chapter Ⅲ considers the reduction of high order flexible structure mode; the content of chapter Ⅳ is about the basic problem of distributed parameter control system design. It is proved that a stable controllor in mode space may be unstable in real use in distributed paramater systems, also, by closed loop mode concept, a pole assignment method of flexible structure controllor design is given; chapter Ⅴ is about the low-authority controllor design, it is pointed out by use of high order eigenvalue/eigenvector perturbation, a better controllor can be designed; chapter Ⅳ considers flexible structure reduced order control; chapter Ⅶ disscusses the basic problem of flexible structure computer control, analyses discreate controllablity and observablity and its computing, the sample period and coefficient wordlength; chapter Ⅷ is on the problem of low flexibility compensation; chapter Ⅸ is a design example.

在第一章简要回顾了挠性结构控制的历史，并且指出控制中的一些问题；第二章讨论了挠性结构的能控性与能观性，定义了两类能控性程度和能观性程度指标，还将能控性程度概念应用于执行器位置的确定；第三章论述了高阶模型的降价问题，比较了适于挠性结构模型降阶的方法，指出其适用范围；第四章内容是分布参数系统设计的基本问题，首先证明在模态空间中设计的稳定的控制器在实际分布系统上可能是不稳定的，进而根据闭环模态的概念，获得挠性结构控制器设计的极点配置方法；第五章的内容是关于低权控制器的设计问题，指出利用特征值高价摄动和特征向量的摄动，可以设计出更加完善的低权控制器；第六章讨论挠性结构降阶控制问题；第七章讨论挠性结构计算机控制的基本问题，分析了时间离散化模型的能控性和能观性及其计算问题，讨论了采样周期选择和系数字长问题；第八章讨论低挠性结构的补偿问题；第九章的设计例子用来说明第二章和第四章的结果。

And it is verified that the simulation methods in this paper are rational and the model is feasible.(2)Using the unconditionally stable implicit Newmark time intergration algorithm, the effects of some key factors such as buried depth, condition of soil layers and the earthquake excitative orientation are studied.The results show that dynamic response of structure is considerably affected by the thickness of overburden layer, and horizontal slice is more dangerous than upright slice.

2采用无条件稳定的Newmark隐式积分法进行地震响应分析，讨论各种因素对地下结构动力响应的影响，如：结构埋深、土层分布条件和地震激励方向等，并通过对结构的应力、位移、加速度等结果的分析，发现上覆土层厚度对结构动力响应比较大，水平分层比竖向分层更容易使地下结构遭受破坏。

The conformational spaces of a protein are huge, and chances are rare that any heuristically generated structures will directly fall in the neighborhood of the native structure.

蛋白质摺叠的结构范围相当广阔，直接利用计算方法产生出类似自然结晶结构的结构有相当的难度；在理想的情况下，非自然的摺叠结构或许可以提供相当的助益，利用非自然的摺叠结构来修正计分函式或能量函式，并利用修正过后的计分函式或能量函式来分辨出自然和非自然的结构，也许是个可行的方法。

Prior research on capital structure by Titman (1988) utilizes structural equation models to find out the determinants of capital structure. In this paper, we use the same methodology and add another endogenous variable – stock return to construct two equations. One regards capital structure and the other one regards stock returns.

Titman (1988)曾利用求解结构方程模式的统计软体–LISREL找寻影响公司资本结构的隐藏因子，本文乃以此篇论文为基础并加以延伸，除了纳入原先的内生变数资本结构外，再加入另一个内生变数–股票报酬率来建立一个双向影响的结构联立方程式，以期研究资本结构与股票报酬率两者是如何交互影响，并是如何由许多因子所共同决定。

Lastly, in accordance with the actual situations of the prototype structure of mosque pagoda, based on the similar relation of model experiments, a model structure of mosque pagoda with a similar coefficient of 1/10 is designed and fabricated. Earthquake simulating shaking table tests are performed on the model structure of pagoda in the cases the AB type passive control system with SMA dampers is erected or unerected. The leading earthquake responses like the relative drift at the top of the main tower and the small tower, interstory drift ratio, acceleration, and cracking process of the pagodas body etc. are studied. The operational behaviors involving the deformation capacity and energy dissipation capacity is tested for passive control system with SMA dampers under the earthquake excitation, and the corresponding control mechanism and regularity is also analyzed. Furthermore, the performance changes and protection effectiveness is comprehensively evaluated while the model structure of pagoda is seismically protected or not.

最后，根据光塔原型结构的实际情况，以模型试验的相似关系为基础，设计并制作了一个相似系数S，为1/10的光塔模型结构，并先后进行了未安装和安装A、B型SMA阻尼器被动控制系统光塔模型结构的地震模拟振动台试验，研究了模型结构在3种不同工况下，主塔顶部和小塔顶部的相对位移、层间位移角和加速度以及塔体开裂等光塔结构的主要地震反应，测试了SMA阻尼器被动控制系统在地震激励下的变形能力和消能能力等工作性能，分析了相应的控制机理和控制规律，并从总体上评价了光塔模型结构抗震保护前后的性能变化和保护效果。

The paper point out the problems of the consumption structure of Yanbian urban residents through studying it: the percent of food consumption expenditure is relatively large; the consumption structure between people who have different income have great difference; compared with the developed areas in our china,the consumption structure of Yanbian is different; the percent of residents savings deposits is relatively large;Meanwhile, through studying the consumption structure of Yanbian urban residents, we also can fina that:The overall income level of residents is low; Distribution gap of income is too large; industrial structure is unbalance; population aging and unharmony of the consumption environment and so on ,which is the fundamental reason why caused these problems.

本文通过对延边城镇居民消费结构的研究，指出城镇居民消费结构中存在的问题：食品消费支出中的粮食消费支出偏大；不同收入群体消费结构差异较大；与发达地区消费结构差异较大；居民储蓄存款比例偏大。并且通过分析发现：居民整体收入水平偏低；收入分配差距过大；产业结构失衡；人口老年化和消费环境不和谐等因素，是引起这些问题的根本原因。

At first, I developed the principle and restrictive factor to optimize the investment structure of regional industry; Secondly, I applied the Grey Theory to research the relationship between structure of investment and structure of industry, the relationship between structure of industry and economy of region.; Thirdly, Three methods, including AHP, Principal Component Analysis and Relative Potential were exerted to research the order of investment afterward, I developed qualitative analysis to the third industry, and put forward suggest to its progress direction; Fourthly, Using economics and operational researchs thoughtway for reference, I upbuilt the dynamic model of investment portion model.

首先，提出了优化区域产业投资结构的原则和制约因素；其次，运用灰色系统理论对区域的产业结构与整体经济、投资结构与产业结构的关系进行论证分析；第三，建立了区域产业投资结构评价指标体系，并运用AHP法、主成份分析法和相对势法对河北省第一、第二产业投资排序进行了研究，然后，在充分利用现有数据的前提下对第三产业进行了定性的分析，并对第三产业的发展方向提出了建议；第四，借鉴了经济学、管理学、运筹学等一些理论的思想方法，建立了区域产业连续投资分配比例模型；最后，根据河北省情，结合中国进入WTO的过渡期市场环境，提出了一些政策建议，以达到实现河北省产业投资结构优化的目的。

Wall-climbing micro-robot's driving mode and structure have been discussed in this thesis, and offered three types of driving modes and structures, and had made two experiments models.

论文还对微小步行机器人驱动方式及结构进行了研究，提出了三种驱动方式及实现结构形式，研制出了两种结构的微小步行爬壁机器人实验样机。

The results showed that with the increase of nitride partial pressure in the range of 2. 0～8. 0×10〓Pa, the hardness of NbN, TaN single layer films decreased, but the hardness of TiN films kept unchanged. The crystal structure of TaN films changed from the mixture of tetragonal β-Ta and faced-center cubic δ-TaN to hexagonal TaN and that of NbN films from FCC δ-NbN to hexagonal ε-NbN. The crystal structure of TiN films is FCC in all the range of partial pressure researched.

研究结果表明：在2.0～8.0×10〓pa的氮分压之间，随氮分压的升高，TaN和NbN薄膜硬度下降，而TiN薄膜的硬度值不随氮分压的变化而变化；TaN薄膜的相结构由低氮分压时的正方β-Ta和面心δ-TaN所组成的两相混合物过渡到六方TaN结构，NbN薄膜则由面心立方结构的δ-NbN逐渐过渡到六方结构ε-NbN，而TiN薄膜的晶体结构基本不随氮分压的变化而变化，均为面心立方结构。

Data structure is a professional and technical basis for classes, and he can help you learn computer analysis of the data processing structure characteristics, in order to choose the appropriate application of the logic of data structures, storage structures and the corresponding algorithms, and preliminary analysis of algorithms of time and space analysis techniques, But some algorithm data structure (linear scales, warehouse and accounts, string, etc.) will be some difficulty in understanding the data structure algorithms demonstration system is an effective way to resolve this difficult, and he gives a more intuitive understanding.

数据结构是一门专业技术基础课，他能帮助大家学会分析研究计算机加工的数据结构的特性，以便为应用涉及的数据选择适当的逻辑结构、存储结构及其相应的算法，并初步学会算法的时间分析和空间分析的技术，但数据结构中的一些算法（线性表、栈和队列、串等）在理解上会有些困难，数据结构算法演示系统正是解决这个困难的一种有效方法，他给人更直观的理解。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了