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Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.

本文还从力学和车辆原理的角度进行了理论分析，推导了半履带式气垫车的需求功率及正常行驶条件，研究了气垫压力和功率消耗之间的关系，提出了力学模型公式；建立了半履带式气垫车总功率消耗的理论模型，研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系，分析了相应的影响因素，并提出了最佳工作状态的定义；同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作，对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析，得到了各运行状态参数的变化规律，验证了最佳工作状态和最佳垫压的理论，根据力学模型公式对进一步的自动控制问题进行了探讨，为系统的控制提供了理论指导。

The purpose of this research is to theoretically inspect the social assistance legal institutions' historical changes and theoretical basis, the operative effectiveness of Chinese relative institutions and the legislative idea of Chinese social assistance according to the concept of economic law and in the light of social distributive law, in order to widen the theoretical achievements in the research of economic law and provide some theoretical support for the legislation of Chinese social assistance.

本文以社会救助法律制度为研究对象，研究的目的是以经济法的理念和社会分配法的视角对社会救助法律制度的历史变迁、理论基础、我国相关法律制度运行绩效以及我国社会救助立法构想进行一次全面系统深入的理论检视，以期丰富经济法的理论研究成果，并为我国社会救助立法提供理论支持。

In his own theoretical framework, Hu Feng found out an unique method of interpretation: to"twist"or even yield to his opponent for his own"Right", which immediately involves the originality of Hu Feng's theoretical system: he made Marxism subjective, combined it with literary and artistic practice since the May 4th Movement. This thesis takes"On the Way of Realism"and"Reports on the Literary and Artistic Practice since Literation"as the main texts for discussion, and concretely expounds Hu Feng's theoretical foundations and meanings as in"writing about reality","humanism","socialist spirit","Five Knifes".

因而，本稿把这两种文化作为胡风文学观的主要背景，基于对以毛泽东的文艺政策为代表的"抗战文化"的文化心理的理解，解明胡风文学观所体现的两种文化的冲突与整合过程。1949年新政权成立以后，以一种政策性的强制方式来把毛泽东文艺思想先验化、教条化，针对这一形势，胡风以"五四"传统作为自身理论的内在参照系，努力探索自身传统的历史合理性与必然性，而在自己的理论框架中，产生了一种特殊的解释方式，即为自己的"正确"，"曲解"对方，迁就对方，这直接牵涉到胡风理论体系的独创性：他把马克思主义主观化，与"五四"以来的文艺实践结合，由此建构出一套新的理论体系。

The former three chapters are about theoretical research, and the forth chapter is about empirical research. The theoretical research part generalizes the theoretical basis, theoretical model and the concept of city competitiveness both at home and abroad. According to these theories, the paper introduces the complete and explicit definition of city competitiveness and brings in a new city competitiveness model .The paper emphasizes on empirical research using the data in 2004 as sample, whose objects are ten big cities:Guangzhou, Shenzhen, Tianjin, Shenyang, Dalian, Nanjing, Hangzhou, Wuhan, Chongqing and Chengdu. Firstly, on the basis of mean square deviation method, it finds out both the scores of integrated competitiveness of cities and other factors, based on that analyze the relationship between them. And then the paper computes the scores of competitiveness of cities above by principal component analysis and sorts out them for assessment.

理论研究部分主要是概括的叙述了城市竞争力研究的理论基础和理论模型及国内外城市竞争力的概念，在此基础之上对城市竞争力给出了完整明确的定义，并提出了新的城市竞争力模型；全文的重点在实证分析部分，实证分析是以广州、深圳、天津、沈阳、大连、南京、杭州、武汉、重庆、成都10个城市为研究对象，以其2004年的数据为样本，首先用均方差的方法计算各城市综合竞争力与各要素竞争力的得分，以此来分析综合竞争力与各要素竞争力之间的关系，然后采用因子分析的方法计算2004年各城市综合竞争力的得分并给出排序进行评价。

Environment radon is mainly from rock and soil in geological environment, but the research is not connected with geological environment now. On the basis of physical field, the theoretical distribution model of radon in soil and exchange model of earth—air are set up by using Fick diffusion law and Dacy law, and then the research of environment radon is linked with geological environment. This paper described how the evry parameter of the theoretical model influence the radon concentration in air. The results of research indicat that molecule diffusion of radon is different from it's eddy form. Under the condition of surface radon source, the model experiment is used to study the transportation and distribution of radon in medium. The data of experiment show the relationship between radon and depth can be described by exponent. If the radioelement is well—distributtion, the concentration of radon in different depth or in different point at the same depth change with time, but the accumulated exhalation amount of radon at different point on the surface of model are close in relative long time. The author studied the exchange of radon between mediums and verified the theoretical models too.

环境氡主要来自岩石、土壤，而目前环境氡研究中与地质环境结合很少，为此作者以物理场为基础，运用气体运移的费克扩散定律和达西定律，建立起壤中氡浓度分布与大地—大气间氡交换理论模型，首次在理论上将环境氡与地质环境结合起来；论文中从理论上讨论了模型中各参数对空气中氡浓度的影响，发现空气中氡运移的分子扩散方式和湍流扩散方式存在明显差异；通过面状氡源条件下的氡运移模型实验，研究了介质中氡的运移与分布，实验数据表明氡浓度随深度的变化规律可用指数函数描述，在放射性元素分布均匀的条件下，介质中不同深度和同一深度不同点的氡浓度随时间而变，但介质表面不同点在较长时间内向空气中累计释放的氡的量是相近的；同时研究了不同介质间氡的交换，并验证了所建立的理论模型；运用理论模型预测青岛市城区壤中氡浓度、江西临川一住宅区空气中氡浓度及江西二个测区的区域空气中氡浓度分布，取得了较好的效果。

The classical theoretical system of crime, the new classical theoretical system of crime, the teleological theoretical system of crime, and the theoretical system of rational crime all have their own advantages and disadvantages.

不仅每个国家都有自己的犯罪理论体系，而且，每个国家的犯罪理论体系都处在一个不断发展变化的过程之中，从而形成了内容与风格各具特色的流派。

The theoretical model of uniform droplet spray process had been established in this thesis. The calculation method for theoretical value of jet velocity and optimal frequency had been developed. Therefore the theoretical value and regularity of jet velocity and optimal frequency under different spray pressure were obtained, so the theoretical prediction for spray result had been realized. This not only offers comparison parameter for simulation results, but also will guide the proper determination of process parameters.

本文建立了均匀液滴喷射过程的理论模型，导出了射流速度和最优频率的理论值计算方法，从而得出了不同喷射压强下的射流速度和最优频率的理论值及所存在的规律，实现了对喷射结果的理论预测，不但为模拟结果提供了对比参数，而且对于合理选取工艺参数具有指导意义。

Starting from the analysis of connotation, historical origin, theoretical basis, and function, the section comes to the conclusions that the major theoretical basis of the policy is economical principle and retribution penalty theory in criminal law, that the policy includes the logical relations of being lenient at the case that deserves leniency and being strict at the case that should be strict","being interdependable and complementary in leniency and punishment", and"being integrated and modest in leniency and punishment, and that in the field of value, the relationship between the two is that criminal law is directed by criminal policy; in terms of countermeasure system, criminal law is in conformity with criminal policy; in the side of specific measures, criminal law is rectified by criminal policy, hence, establishes the corresponding theoretical basis for applying the criminal policy of combining punishment with leniency to judicial practice.

该部分从宽严相济刑事政策的内涵、宽严相济刑事政策的历史发展、宽严相济刑事政策的理论根据以及宽严相济刑事政策的功能等四个方面对宽严相济刑事政策进行了解读，得出宽严相济刑事政策包含着&宽其所宽，严其所严&、&宽严相倚、宽严互补&以及&宽严交融、宽严适度&三个有机联系的方面，宽严相济刑事政策的主要理论根据是刑法学的&谦抑原则&和&刑罚报应刑论&；宽严相济刑事政策对刑事法律具有价值取向上的指导功能；对策系统上的整合功能；具体措施上校正与被校正的功能等一些结论，为更好的将宽严相济刑事政策运用到刑事司法实践中奠定了相应的理论基础。

The main topics of the forum are: how to face our own issues and shift to theoretical originality,abandoning the so-called "originality overgeneralization" phenomenon of depending on western issues and engrafting eastern and western theories together;how to deepen the researches on the difficulties and questions about theoretical originality and how to implement the theoretical originality at the practical level without prating about it in the academic circle.

如何面对中国自己的问题走向理论原创，摆脱当前理论界依附西方问题和嫁接中西理论的所谓&创新泛化&现象，如何深化理论原创的一些难点和疑点、并将理论原创落实到实践层面，告别理论界空谈理论创新的现象，是本论坛讨论的热点话题。会议汇集文、哲、法各界著名学者讨论人文社会科学共同的基本观念和思维方式的&中国化改造&问题，在学术界尚属首次。

The theoretical system of Chinese characteristic socialism as the latest development of Marxism in China with rich con-tents, deep thoughts and strict logic, is not only the summary of all theoretical creations of Chinese Communist Party since the reformation and opening in 1970s but also a scientific and revisable theoretical system with the same origins to Marxism-Leninism and Mao Zedong Thoughts.

中国特色社会主义理论体系是马克思主义中国化的最新成果。这一理论体系内涵丰富、思想深刻、逻辑严谨，是改革开放以来中国共产党全部理论创新的总结和升华，是同马克思列宁主义、毛泽东思想既一脉相承又与时俱进的科学理论体系。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。