技术基础

Different from the legal criteria which contain certain components of value, the direct foundation of criminal investigative technology is technological criteria whose efficiency is based on the law of nature. This provides an objective basis for confirming the validity of crim...

不同于蕴涵了一定价值成分的法律规范，侦查技术的直接根据是技术规则，这种技术规则的有效性基础是自然定律，这为法律规范确认侦查技术的合法性提供了客观性基础。

The harm of worms' outbreak becomes greater and greater. Such make worm detection and defense technology face an increasingly tough challenge. Attack Signature Automatically Generation technology is one of the key technologies, this paper focuses on the ASAG technology for research, its main jobs include: 1）Analyzed the research status of ASAG technology from the overall, described its design goals and evaluation criteria, and the current approaches' limitations is given. 2） After deeply researching and analyzing a various of ASAG systems, a basic framework for the network ASAG system is presented, and the detailed analysis of the main function of the components in the framework is also presented. 3）An attack capture model based on distributed honey-pots system is presented. This mode integrates the anomaly detection which based on the mode of dubiety score in the honey-pots, can do a second filter for the samples in honey-pots, and improve the purity of the samples captured. 4） A simple noise-resilience ASAG algorithm is presented, which used the behavioral characteristics of the worm outbreak to generate efficient signatures of samples in the suspicious dataset, which contains large amounts of noisy data, under the complex environment.

攻击特征自动提取技术是网络蠕虫防御技术的关键技术，本文围绕攻击特征自动提取技术开展研究工作，其主要工作包括： 1）对攻击特征自动提取技术的研究现状进行了综述，介绍其设计目标与评价标准，并指出了现有方法存在的局限性； 2）在深入研究与分析各种攻击特征提取系统的基础上，提出基于网络的攻击特征自动提取系统的基本框架，并详细分析框架中各部件的主要功能； 3）提出了基于分布式蜜罐系统的攻击样本捕获模型，该模型在分布式蜜罐系统的基础上，结合基于可疑度模型的异常检测，对蜜罐中的样本进行二次过滤，较好地提高了捕获样本的纯净度； 4）提出一种简单抗噪的攻击特征自动提取算法，该算法利用蠕虫爆发时的行为特征，在复杂环境下含有大量噪声数据的可疑样本训练集中提取有效的特征，降低对样本纯净度的依赖。

Based on the problems of teachers'training, this dissertation inquires how to integrate training with practice, realize education reformation, and accelerate education informationization. This dissertation not merely systematically expatiates the content and structure of the education technology competence, the theory of adult education, and compressively analyzes the current situation of teacher's education technology competence and existing problems on its training with questionnaire in a college.

论文首先界定了教育技术能力的概念并将教育技术能力分成五个层面，且对该分层结构的合理性进行了论证；分析了成人教育的特点，在此基础上提出教师教育技术培训应以成人教育为理论基础；然后以X学校为样本进行了调查，了解该校教师的教育技术能力现状及其对培训的反馈意见，重点探讨了培训模式。

On the basis of introduction and contrast of all kinds of developing and printing technology, we first discuss the LCOS display peculiarities and key optical techniques of the LCOS projection system. Then we make an analysis of the basic architecture and performance reeiiiirement of the digital picture printing system which uses LCOS as its displaying exposal system according to the practical application. And we propose the systemic blue print which includes USB transmission/SDRAM storage.

本论文在介绍主要的各类数码冲印技术的基础上，对相应的技术进行了比较，重点论述了LCOS冲印技术中LCOS液晶显示特性以及关键的投影系统的光学特性，在此基础上，结合实际应用，就LCOS投影技术在数码彩扩系统中的应用，详细分析了基工作原理和性能要求，提出了基于USB传输/SDRAM缓冲的系统设计方案，实现了完整的LCOS数码冲印系统的设计与调试。

On the basis of analyzing and evaluating civil product industry status quo,using fezzy set, the paper analyzes and determinds that RYR Institute shold take high-tech product ,self-control technology ,detecting technology electronic device for automobile ,as well as military initiating technology as prop industry of its civil product competition in order to provide plunge point for the development of its civil product industry .Then ,it analyzes the key competitive force of the civil product corperation of the institute ,set up C2R and C2GS2 models used in technical progress DEA analysis ,fmds the relation between scale benefit .and production administration .Through the analyzing of competitive core force ,it indicates that the cause resulting in low benefit of military enterprises is stagnancy of human resource exploitation .The key for the realization of advance by leaps and bounds of civil product work of RYR Institute is personnel excitation mechanism.

论文在对民品产业现状分析与评价的基础上，应用模糊聚类法分析并确定了以高技术产品、自控技术、探测技术、汽车电器及军工传爆技术作为RYR所民品竞争的支柱产业，为RYR所民品产业的发展提供切入点，在此基础上分析了RYR所民品公司的核心竞争力，建立了技术进步DEA分析的C~2R模型和C~2GS~2模型，找出了RYR所规模效益与生产组织管理方面的关系，通过对核心竞争力的分析，挑明了军工企业效益低下的主要原因是人力资源开发滞后，要实现RYR所民品工作的突飞猛进，建立有效的人才激励机制是关键。

The principle new development of modern irrigation engineering.

灌溉原理与技术》是农业水土工程学科中一门理论与技术兼备的专业课程，主要讲授现代科学灌溉理论的生理学和物理学基础，作物需水量计算理论与方法，非充分灌溉的科学依据与研究进展，现代灌溉方法的原理与研究进展，旨在使学生掌握现代灌溉学科的基本理论，了解本学科的关键技术、发展趋势与存在的问题，掌握相应的工程技术，培养学生建立现代灌溉的新观念和新理念，在理论和实践上奠定学生深入研究灌溉学科中的有关理论和技术的创新能力基础。

Advanced manufacturing technology and equipment, extreme manufacturing technology and equipment: MEMS and MOMES, Super-deep processing tools and equipment, FMC and FMS, Computer Integrated Manufacturing Systems, Digital Control Technology and equipment, Manufacturing technologies for Mechanism basic conponents, clean production and processing technology and equipment and large-scale traffic foundation construction equipment,etc.

先进制造技术及设备极端制造技术及设备：微机械系统和微光机械系统、超深加工工具及设备、柔性制造单元和柔性制造系统、计算机集成制造系统、数控技术和装备、机械基础件制造技术、清洁化生产加工技术及设备、大型交通基础施工设备等。

Based on analysis and compare of all kinds of precept-sorting of feature of plastic product for the different structural plastic product, a 3D feature library of plastic product was built on the platform by integrating Feature-Modeling technique with parametric technique. The feature schleps its information of non-geometry by database-externed technique of the entity. After building the database of plastic material, the module of choice of plastic material is developed by technology of ODBC. The plastic product can be sculpted by calling of feature of plastic product and inputting parameters interactively.

针对不同结构类型的塑件，在全面分析、比较塑件特征分类的各种方案的基础上，采用三维特征建模技术和参数化技术，建立了注塑产品的三维特征库；应用实体扩展数据库技术，使特征携带非几何信息；再在建立塑料物性数据库的基础上，采用ODBC技术，开发了塑料材料选择模块；通过塑件特征的调用和人机交互输入参数的方法进行塑件三维造型，再把塑件的三维实体和塑件的非几何信息结合起来，生成塑件全信息模型。

And transform DAS from traditional central server architecture to peer-to-peer architecture. In addition, it provides the DAS developers software framework of the generic DAS based on peer-to-peer to develop a specific DAS. First, This thesis analyses all kinds of instances of DAS and remote monitoring systems, for example SCADA of power engineering; Secondly, Analyses various data acquisition standard, Including OPC, IVI, ODAS and DAIS RFP of OMG; Thirdly, analyses the current application State and character of Peer-to-Peer, content of UPnP and JXTA technology.

在这项研究工作中，首先分析当前不同类型的数据采集系统实例，包括电力调度SCADA系统，远程视频监控系统等一些数据采集与监控系统；第二，分析不同的数据采集标准，包括OPC，IVI，ODAS等数据采集标准，以及OMG的在工业系统中访问数据的标准界面DAIS RFP；第三，分析当前对等网络技术的应用现状和应用特点，并详细剖析UPnP和JXTA技术的技术内涵；第四，在对数据采集系统和对等网络技术的分析基础上，使用OMG的UML建模将通用数据采集系统规格化，建立基于对等网络的通用数据采集系统规格化的概念模型和基于角色的使用案例模型；第五，在通用数据采集系统规格化基础上，提出几个关键软件设计模式构造基于对等网络的数据采集系统软件框架；最后使用电力系统的应用开发实例来验证通用数据采集系统软件框架的可行性。

Based on the characteristics of parameterized design and key technologies of knowledge based engineering, and specially according to the characteristics of the construction, figure, assembly-parameter of bicycle frame design, the article has achieved repeated using of experiential parameter and knowledge by adopting methods such as automatic reading experiential datasheet, computing parameter by making use of program, manual data-input or modifying and so on. Based on analyzing the characteristics of Rear End design and the associated characteristics with Chain Stay and Seat Stay, different design methods are analyzed in detail, and rapidly assembling of Rear End, Chain Stay and Seat Stay is achieved by using the method of combining top-down-assembly with down-top-assembly method. Based on analyzing special technologies and UDF characteristics, the repeated using of different sectional shapes by using UDF technology on the tube section design is also achieved, and this will greatly shorten the time spent on fixing the dimensions and orientations on sketches.

在探讨了参数化设计技术特点和知识工程关键技术的基础上，针对自行车车架设计中的结构、形状、装配参数特点，分别采用了读入经验数据表、参数程序求解、手工录入或修改方法实现车架设计经验参数和知识的重复利用；在分析自行车后叉片设计特点及与平、立叉的关联特性的基础上，对不同的设计方案进行了详细分析，并采用自顶向下和自底向上相结合的方法，实现了后叉片的快速装配定位与平、立叉设计相关联；在分析了特征技术和UDF特点的基础上，将UDF用于管件截面的设计上，使各种截面形状能不断重复利用，大大节省了约束草图尺寸和位置的时间。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐