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Through investigating a large number of surface fractures in the eastern Sichuan Basin and combining the observation results of subsurface core fractures in the middle part of the Sichuan Basin, the relation between the surface fractures and the subsurface fractures is discussed and a set of projects to classify fractural types based on the structural origin is proposed out in this paper.

通过对四川盆地东部大量地面裂缝的调查研究，结合川中地下岩心裂缝观测结果的验证，探讨了地面裂缝与地下裂缝的关系，提出了一套以预测为目的的构造成因裂缝类型划分方案。

In this paper, we introduced the method and set of cat perceptual learning and research the character of orientation discrimination and contrast detection of cat, and we also research the effect of visual perceptual learning on the response of the Dorsal Lateral Geniculate Nucleus neuron with the method of single-neuron in vivo recording techniques, by which to the ends of knowing the mechanism of neuron in the perceptual learning. Perceptual learning in orientation discrimination and contrast detection was first observed by psychophysics method in cat in the following two experiments.

本研究介绍猫的视觉学习实验装置和训练方法，观察了方位辨别和对比度检测两种知觉学习的特点，并结合在体细胞外单细胞记录技术研究了视知觉学习对外膝体神经元反应特性的影响，初步探讨猫视知觉学习的神经机制。1、运用心理物理学方法进行了两个知觉学习实验，分别观察了猫对正弦光栅方位辨别和对比度检测的知觉学习。

Upon the problems mentioned above, this paper focuses on the following work:? Analyzes the advantages and disadvantages for the key researches both in and abroad;? Studies some existing international standards and protocols including SET and ASC X9;? Gives the designing rules for the secure scheme then proposes a general simple model for mobile payment;? A secure scheme called SeMo is designed according to the different security needs for lineate links and wireless ones;? Analyzes the security for the scheme still basing on the two distinct links, which improves the scheme fully fulfilling the security requirements such as: authentication, integrity, confidentiality and non-repudiation.

针对上述问题，本文作了以下几点工作：●分析了国内外对移动支付研究的现有关键技术的优缺点；●学习了一些现有的国际金融规范和标准为准则；●借鉴安全电子交易模型方案，并参考了ASC的X9系列规范，提出一个简单可行的移动支付一般模型；●根据该模型尝试着根据无线和有线两个不同接口对安全性的需要，设计出移动支付系统的安全方案SeMo；●然后再根据接口的不同对该安全方案进行分析，证明该方案能解决移动支付的安全问题，也就是手持设备的认证问题以及数据保密性、完整性等问题。

Through the writing of this paper, the author unified the theory and the practical work in close, analyzed deeply for the status of Dalian Shide Plastic Industry Co., Ltd., and set down marketing objectives and strategy, and proposed a workable program and the implementation of safeguard measures, it had guiding significance for the company's current and future development, and provided the valuable reference information for enterprises and industries.

通过本论文的写作，作者将理论和实际工作进一步结合，对大连实德塑胶工业有限公司的现状进行了较深入地分析，制定了营销目标及应采取的营销战略，并提出了可操作性的实施方案和保障措施，对公司的当前及未来发展具有指导意义，并为行业内的企业及人士提供了有价值的参考信息。

Based on the requisition of wireless system debugging, this paper develops a novel radio-frequency beaconing. Design method and system constitution of a novel beaconing based on PLL IC PE3336 are given, and the accomplish method of the system's hardware and software arc expounded. The test results show that the beaconing adopted in this method has a reliable and stable frequency conversion features. The more applications in the wireless system find that the users can set necessary frequency conveniently. Especial1, the friendly man-machine interface makes the operation is more flexible. It is as excellent performance-price-ratio beaconing, and as a signal source, it can be used in the research and the debug procession of variable radio-frequency components.

根据无线电数据链系统及部件的调试需要，研制开发了一种新型的以锁相环为核心、由单片机控制的射频信标机；文中给出了基于锁相环芯片PE3336的新型信标机的设计方法与系统组成，阐述了系统硬件及软件的具体实现为法；测试结果表明，利用该方法设计的信标机具有稳定、可靠的变频特性，且各项指标均达到了要求；进一步在某无线电系统中的应用发现，用户可方便地设置所需频点；特别是友好的人机界面，使用户操作更为灵活方便，是一种性能价格比优良的信标机；并可作为信源用于不同的射频部件研制与调试过程中。

Firstly, this thesis makes an introduces on the developement of PMSM servo system based on DSP. According to the control theory of AC PMSM servo system, this paper analyzes the coordinate transformation, the rotor magnetic field orientation and the current control strategy of AC servo system. The control strategy is i_d=0. The system is orientates towards rotor magnetic field. Then the mathmatic models of PMSM in d-q coordinate are set up.

本文首先对基于DSP的永磁同步电机伺服系统的发展概况进行了介绍；根据永磁同步交流伺服系统的基本控制理论，分析了交流伺服系统坐标变换原理、常用的磁场定向方式及电流控制策略，并给出i_d=0电流控制策略及永磁同步电机按转子磁场定向的控制方式，从而建立永磁同步电机d-q坐标系下的数学模型。

To avoid the collision accidents of ships at sea, with the universalizing and application of computer, and the development and maturity of the technology of Expert System and Artificial Intelligent, this paper developed an intelligent collision avoidance expert system for navigation. The main research work centers on several aspects, which will be represented as below:By the navigation rules" understanding and analyzing, and by the navigation experience and navigation samples" collecting and trimming, we put forth and build a multi-unit and layering KB systematic structure, and implement the KBM. According to features of different knowledge, we adopt multifarious KR, such as: frame KR, production rule KR, procedure KR. We also build a multi-inference system, which based on analog inference, forward illation inference, conversion inference and meta-rule inference. At the same time, we develop each reasoning algorithm. For some problems in collision avoidance region during the building of the expert system, we put forth and build a set of models to solve them using neural network technology.

为了避免船舶间碰撞事故的发生，结合计算机技术在各类船舶中的普及与应用、专家系统技术及人工智能技术的发展、成熟，本文研制、开发了一种具有一定智能的航海避碰专家系统，主要内容包括以下几个方面：通过对航海规则的理解与分析，对航海经验、航海实例的搜集、整理，提出并建立起了航海避碰专家系统的多元分层知识库体系结构，并实现了知识库的管理；根据不同知识的特点，分别采用了框架、产生式规则、过程等多种知识表示方法；提出了一种基于类比推理、正向演绎推理、换位推理及元级推理等的多种推理机制，并建立起了相应的推理算法；引入神经网络技术，针对在建立专家系统过程中所遇到的有关避碰领域内的一些难题，提出并建立了相应解决问题的模型，其中包括：船舶类型的识别，会遇态势的分类及避碰危险的评估。

With this aim , this paper has made a comprehensive study on the problem of the land requisition in our country . armed with such renowned theories as the theory of property right application , land rent , public choice etc ., the study has rendered a potent analysis of the problems involved in the current land requisition policy and their reasons . then , based on china ' s realities , it advances its own proposal to renovate the current policy from various aspects including the nature and limitation , the procedure and the standard of compensations of the land requisition , that is , by means of a combination of enumeration and generalization , decide on a strict definition of public interests ; improve the procedure of the requisition of land under the principle of openness , justice and high efficiency ; set up the compensation standard with the market price as the baton while versified by other supplementary ways ; most importantly , clarify the property right of land

本文通过对土地征用问题进行系统、深入的调查研究，针对当前我国土地征用制度存在的主要缺陷和弊端，应用产权理论、地租理论、公共选择理论、新制度经济学中的路径依赖理论以及其它相关理论分析土地征用存在的问题及其原因，并结合国内外的先进经验，立足本国实际，从征地性质与范围的界定、征地程序的完善，以及征地补偿标准的确定，提出了完善土地征用制度的政策建议：采取列举式和概括式相结合的方式，严格的界定&公共利益&范围；树立正当的程序观念，按照公正、公开与效率的原则，完善征地程序；建立以市场价格为主的土地征用补偿标准，建立多样化的征地补偿方式等来解决我国征地中存在的问题，但最根本的是明晰土地产权从而进一步完善我国土地征用制度。

Secondly, this paper set up the diffusion model of innovation incorporating price, advertising and distribution, and given the optimal diffusion equation and characterized qualitatively optimum price, advertising and distribution. Furthermore, it studied the ratio relations among the advertising elasticity of demand and the price elasticity of demand and the distribution elasticity of demand. Finally studied the influence of marketing mix variables to the technology diffusion.

然后建立了含商品定价、广告费用和销售费用等的技术创新扩散模型，给出了扩散最优方程和商品价格、广告费用和销售费用的最优曲线，进一步地，本文分析了广告费用对需求的弹性、商品定价对需求的弹性以及销售费用对需求的弹性之间的比例关系，探讨了这些外部市场变量对创新扩散的影响。

Firstly, we analysis the index of the money market by dynamic ways, then we set up the disequilibrium model of the money market. We adopt the method of VEC, contemporary we estimate the price adjust equation of the money market. The analytical results in this paper as follows: at present the money demand is greater than the money supply, and the disequilibrium gap trend enlarge gradually.

本文主要分析目前我国货币市场的非均衡状况，首先对货币市场相关指标进行动态分析，然后建立货币市场非均衡模型，采用的主要方法是误差修正模型，并估计货币市场的价格调节方程，通过对模型的分析和检验得出结论：我国目前货币需求量大于货币供给量，且非均衡缺口有逐渐扩大的趋势。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。