理论模型

This part introduces the origin and development, principal-agency relationship, monitoring and incentive mechanism, theoretic supposal, theoretic model, types classification to form a basic framework of principal-agency theory.Ⅲ.

该部分主要从委托—代理关系、理论假设、理论模型、代理问题的产生与发展以及约束与激励机制等几个方面给出了委托—代理理论的基本框架。Ⅲ。

As for the theory of route traffic state estimation, we firstly analyzed the traffic stream characters on the routes, and then we selected the license auto-recognized system as the input of our study.

在研究方法和理论创建上，注重了与实际工程应用的结合，文中提出的理论模型、算法建立在数据分析的基础上，保证了理论的真实可用性。

Kinetics theories: Know the theoretical model, solution, main conclusion, virtue and disadvantage of simple collision theory, transition state theory and unimolecular reaction theory.

了解简单碰撞理论、过渡态理论、单分子反应的理论模型、处理方法、主要结论和优缺点。

Directing against the relationship between the thermal comfortableness of human bodies and the room and the inner wall temperature, a mathematical model was proposed and tested for the room temperature response to the intermitting heating in a room with walls built with composite materials.

对此，本文做了以下几项工作：间歇供热条件下，复合材料墙体室内温度响应的理论研究：依据非稳态传热理论，建立建筑物各种围护结构的温度变化详细理论模型，用以描述室内外条件变化时围护结构本身的温度变化规律。

There are 7 chapters in this article.The first chapter generalize the whole article.The second chapter summarize the former research on government management in food safety and evaluation of government achievements.The third chapter introduce the theoretical design of this article. The fourth chapter review the situation of government management,including our country and Zhejiang province.The fifth chapter use the evaluation system of government achievements to evaluate the government achievements of Zhejiang province.The sixth chapter use every county"s pollution-free food date and relative data to research the effective factors on productionalt achievements of organic food. In the last chapter, we get conclusion of the government achievements" evaluation of Zhejiang province and the effective factors of productional achievements in organic foods development.Then we made correlative suggestions on the basis of the research result.

全文包括7章，第1章是导言，包括研究背景、研究目的和主要内容、研究方法和数据来源、研究创新和不足等：第2章综述了前人关于农产品质量安全政府监管和政府监管绩效评估的相关研究；第3章是研究的理论设计，提出了论文的研究思路，建立了农产品质量安全政府监管绩效评估的理论体系和安全农产品生产绩效影响因素的理论模型；第4章是对农产品质量安全政府监管状况的回顾，包括我国农产品质量安全政府监管的主要政策和实施，以及浙江省农产品质量安全政府监管政策和行动两方面；第5章是从农产品质量安全政府监管体系建设、安全农产品生产发展和农产品质量安全状况的监测结果这三个方面对浙江省农产品质量安全省级政府监管绩效进行评估，得出政府监管绩效评估的结果：第6章是对浙江省县级安全农产品生产绩效影响因素的研究，先对县级安全农产品生产绩效进行描述性分析，然后对安全农产品生产绩效影响因素进行实证研究；第7章通过对前文的总结，得出浙江省农产品质量安全政府监管绩效评估结果和安全农产品生产绩效及其影响因素的结论，并在全文研究的基础上，提出政策建议。

Based on an analvsis of the aerodvnamicnoise source and its theoretical moddf of thelow pressure axial flow fan,and with the theory of the boundary layer and the aerodynamictheory of peripheral control inside the turbomachine blade,a new peripheral control methodwith additional guide vanes fitted on the blade surface is preposed.

在分析轴流式风机噪声源及其理论模型的基础上，应用叶轮机械叶片内部绕流控制的气动理论与边界层理论，提出了设置在工作轮叶尖与沿叶高上、中、下后缘处的附加导叶装置，以控制叶尖间隙噪声与沿叶高出口尾迹涡流噪声。

Based on the analysis of the Jahn-Teller effect,vibronic interaction and the resolution of group representations, the possiblegcometrical configurations of 〓 have been derived for the first time, the results arein good agreement with the calculation esults.Firstly, the reasonable dissociative limits for the diatomic molecules of ZrCo,ZrH, CoH, UH,〓 and AlNi have been derived based on the Atomic and MolecularReactive Statics and the resolution of group representations. The groundelectronic states, which are 〓,〓,〓 and 〓 respectively for thesemolecules, have also been optimized based on the RECP method.

本文根据相对论有效原子实势和密度泛函理论方法(B3LYP／SDD与B3LYP／6-311G〓)，用Gaussian-98W程序研究了ZrCo、ZrH、CoH、UH、〓、AlNi、〓、HZrCo和〓分子的分子结构、分析势能函数、微观力学性质和光谱性质；首次建立了计算固体金属氢化物体系宏观性质理论模型，并应用于ZrCo、Zr和Co的氢化反应体系研究，理论计算与实验结果基本一致；基于Monte-Carlo准经典轨线方法，首次研究了H与ZrCo和Co与HZr的分子反应动力学。

Using high resolution N-body simulations, we studied the distribution of formation-redshift of dark matter haloes with large span of mass and found that all of the 3 kinds of theoretical models including EPS theory can not explain well the simulation results. This indicates that the theoretical conditional mass function of haloes needs further improvement.

利用高分辨数值模拟，我们研究了不同质量范围的暗晕的形成红移分布，发现包括扩展PS理论在内的3种理论模型的结果与数值模拟的结果都不能完全符合，说明理论的条件概率函数还需要进一步改进。

Based on the scalar scattering theory,a mathematical model of the light scattering intensity distribution of laser beam on the back focal plane of Fourier lens by a rough surface is established by means of the probabilistic-statistical method.

本文以标量散射理论为基础，用概率统计方法建立了粗糙表面的光散射强度在傅氏透镜后焦面上的分布的理论模型，采用镜反射方向的光强与某一散射方向的光强之比来计算R_q值的方法，导出了理论计算公式。

The theoretical formulae of the knife rake angle and shearing clearance etc have been deduced by establishing the theoretical model of shearing process, and it provides the theoretical foundation for shearing design.

作者通过建立剪切过程的理论模型，导出了刀刃倾角、剪切间隙等理论表达式。它为剪切机的设计提供了理论基础。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。