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The different methods for establishing the equations of vehicle-bridge system are summarized and assessed. The vehicle-bridge coupling relationship, including the geometrical compatibility condition and the static equilibrium condition at the interface of wheel/rail, is established. The forces on the vehicles, which coming from bridge deflection and track irregularity, and those on the bridge, which coming from vehicle deflection, are given. Then, the governing equations of vehicle-bridge system are setup.

提出了车桥系统运动方程求解的分离迭代技术和相应的数值解法：对建立车桥系统方程的各种不同方法进行归纳与总结；详细建立了车桥耦合关系，即轮轨接触点处的几何相容条件和静力平衡条件；给出了由于桥梁位移和轨道不平顺而引起的作用在车辆上的轮轨力，以及由于车辆位移引起的作用在桥梁上的轮轨力。

U The origin of PMD, techniques in PMD compensation, design requirements for adaptive logic control unit are reviewed and summarized compendiously.

u 简明扼要的回顾和总结了PMD的起因、PMD补偿技术、自适应逻辑控制单元的设计要求。

The high-voltage high-power multilevel converter and AC motors drive techniques are summarized compendiously for domestic and overseas studies in the prolegomenon of this dissertation. The evolution and research status of multilevel converter topologies are analyzed, the development of AC variable speed techniques and the characteristic of DTC are discussed, also, the aim and significance for the research are demonstrated. In this dissertation, SVPWM pattern and implement method have been addressed comprehensively for three-level NPC inverter.

本文绪论部分针对国内外高压大容量多电平变换技术和交流传动控制技术作了简要综述，着重分析了多电平拓扑结构的发展和研究现状，讨论了交流调速的发展和直接转矩控制技术的特点，指出本文选题的目的和意义。

Our contributions can be summarized as follows: proof of security for ID-based signature schemes, design of ID-based signature schemes, and exploration of universally composable security for forward-secure signatures.

本文的主要研究内容包括基于身份数字签名体制的安全性证明与设计，以及前向安全数字签名的任意组合安全性研究。

The basic concept and characteristics of missile system-of systems combat simulation for effectiveness evaluation were summarized and the problems of simulation model specification were analyzed, then the hierarchical description and composition method based on system-of-systems, entity and behavior was proposed as the modeling methodology of system-of-systems combat simulation, which is SEB composable modeling methodology. Then, the reference model of SEB methodology and the modeling reference view of various hierarchies were discussed.

总结了面向效能评估的导弹体系对对仿真基本概念和特点，分析了体系对抗仿真模型描述中存在的主要问题，在此基础上，提出体系－实体－行为的分层组合描述方法，作为体系对抗仿真的建模方法，即SEB组合建模方法，并给出其参考模型和各个层次建模的参考视圈。

The correlation analysis between 30 morphological characters with significant difference and climatic factor, longitude and latitude can be summarized as:(1) the longitude, precipitation and air humidity have the same effects on the variability of G. uralensis;(2) the index number affected by light is the most, and the water is the most important factor affecting population variability of G. uralensis.(3) the variability shows that the height of plant, the number of small leaves of the compound leaf, the number of flower buds and the length of inflorescence increase with the increasing of climatic humidity, however, the number of lateral branch decreases.

对30项具有显著差异的指标与气候因素和地理经纬度进行的相关分析结果可概括为：（1）地理经度对变异的作用与降水量和大气湿度相一致；（2）光照因素影响到的指标最多，水分因素对变异的作用程度最大；（3）变异的主要表现为，随气候湿润程度增加，植株的高度、复叶小叶片的数量、花序的长度和花蕾数量等均呈增加趋势，而侧枝的分枝数量和长度呈减小趋势。

Based on the higher mathematics method proved inequalities are summarized, and the proposed using the function extreme value and the monotonicity and concave and convex function sex, and mean value theorem, Taylor formula, integral these common higher mathematics method, combining with concrete examples of each kind of method to solve the problems for type, and the key problem of the specific steps, and points out that the inequality proof of higher mathematics method used properly, improve the difficult easy to ability to solve problems.

本文对不等式证明中的高等数学方法作了归纳总结，提出了利用函数的单调性，极值与最值，函数凹凸性，中值定理，泰勒公式，积分这些常用的高等数学方法，并结合具体实例阐述了每一种方法的适用类型、解决问题的关键和证明问题的具体步骤，指出在不等式证明中恰当地运用高等数学方法可以化难为易，提高解题能力。

It's application methods on developing new machine tools with virtual design are investigated, systemic process from conceptive design, modeling digital prototype to examine design quality by simulation are summarized, also a new way to innovate a new machine is put forward in the thesis.

论文探索了虚拟设计技术在机床新产品开发的具体应用方法，总结了从概念设计、建立数字样机到评价考察设计质量的虚拟仿真分析整个过程的系统化技术，为机械产品的创新提出了新的思路。

First, superiority general situation of application at home and abroad and problems faced in researching of concrete block masonry is summarized.

文内首先综述了砌块砌体的优越性、国内外砌块应用及砌块建筑概况和混凝土砌块砌体研究中存在的问题。

Discussing the pre-processing of scanning beam and scatter point cloud data, the automatic or interactive filtering techniques and random sample or grid condensability of point cloud data are explained, and a pre-processing method having actual effect is summarized.

研究已有的模型重建技术，如插值和逼近拟合离散点，利用原型的几何及拓扑信息，构建近似模型来逼近原型；基于原型的几何特征和约束的复原为目标，得到优化的CAD模型。

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。