关系数据系统

The antilogy of SD is used for reference to analyze the real estate industrycommercial housing which is analyzed into three parts: demand, supply and market,and then analyzed into more particular parts. Eviews is applied to get regressionequation.

对房地产商品房市场结构进行分析，将房地产商品房市场系统分解为需求系统、供给系统和销售系统，结合广州市房地产的具体数据，对影响商品房空置率的各个影响因素进行数据分析，运用Eviews进行回归分析，确定各子系统中的变量关系，得出商品房空置率的预测模型。

The author constructs LREO by Protg,by establishing metadata namespace,defining relations among LREO elements,showing ontology view of LREO and giving access methods.The author constructs LRSDG with the help of Grid platform GT4,which implements system's monitoring and management,data synchronization testing and data analyses of user access.The author also constructs LRSS using Sakai,which provides user authentication,distribution of competencies,interactive collaboration and co-evolution in the ecosystem.

g开源本体工具建构了学习资源生态本体，包括建立元数据命名空间，定义LREO元素和元素间关系，呈现LREO本体视图，并给出了本体语义访问方法等；利用网格平台GT4实现学习资源自治管理环境LRSDG，包括LRSDG的系统监控管理、同步数据性能测试和用户访问情况数据分析；用开源Sakai系统建立了学习资源的服务共享环境，实现了学习资源服务共享环境中的用户认证、权限分配以及协作交互与协同演化等功能。

Classic rough set theory based on equivalence relation takes complete system as object of study , and divides the region into some non-intersect equivalence class; But, in the real life, because of the errors in data measuring, understanding of data, or the restriction in data collection , it can make the decision-making system incomplete, that is, value of attribution of some objects is unknown, which restrains development of the theory to practical direction.

经典粗糙集理论以完备系统为研究对象，以等价关系为基础，通过等价关系将论域划分为互不相交的等价类；然而，在现实生活中，由于数据测量的误差，对数据理解或获取的限制等原因，使得在知识获取时往往面临的是不完备系统，即可能存在部分对象的一些属性值未知的情况，这就极大地限制了粗糙集理论向实用化方向发展。

The alignments of the deduced amino acid sequences from eyestalk cDNAs of theshrimps P.chinensis,T.curvirostris,and P.stylirostris and the crab E.sinensis withneuropeptides of CHH family from various crustaceans demonstrate that they have thehighest identity and homology with most MIHs from crustaceans.

根据核苷酸数据和氨基酸数据，比较这四种甲壳动物的MIH以及已发表的六种MIH之间的相似度，同时分析这十种MIH的系统进化关系，结果是蓝对虾、鹰爪虾和中华绒螯蟹的MIH相似性较高，亲缘关系较近，这与物种的系统演化不相符。

The method includes establishing one reverse mapping list comprising list items; reading the mapping data recorded in the data block state list item area to the list items during system initialization; checking reverse mapping list and finding the data block in Flash memory during reading some logic block; and writing the updated data into the empty data area of one new data block, writing the mapping data between the new logic block and the new data block into the state list item area and updating the mapping data of the corresponding list item in the reverse mapping list during writing some logic blcok.

包括：建立一个由表项组成的反向映射表，一个表项对应一个逻辑块；在系统初始化过程中，将数据块状态表项区中记录的映射信息，按逻辑块号与表项间的对应关系读取到各表项中；读取某逻辑块时，以其逻辑块号作为表项索引查找反向映射表，定位到表项，根据表项中记录的映射信息，在Flash存储器件中查找到数据块；写入某逻辑块时，将更新数据写入一新数据块的空白数据区中和将该逻辑块与新数据块间的映射信息写入状态表项区中，同时更新反向映射表相应表项的映射信息。

Because the data categoricalness rules of architecture products are embodied in theCADM described by IDEF1X, the data categoricalness rules are directly established according to the relationship, which is described by the IDEF1X, among the data entity of CADM described by the IDEF1X. Then every item of data which is in the form of CADM criterion and stored in the database is checked according to the categoricalness rules, so that the data categoricalness of C~4ISR system architecture is executed.3. The verification methods of system accessibility based on CADM are studied.

2研究了基于CADM的数据完备性验证方法由于体系结构产品中数据元素的完备性规则已经完全表现在用IDEF1X描述的CADM模型中，所以论文根据IDEF1X对CADM数据实体之间关系的描述，直接建立了数据元素的完备性规则，然后根据完备性规则对以CADM规范存放在数据库中的每条数据进行检查，以此对C~4ISR系统体系结构数据进行完备性验证。

Introduced Fan Boolean Algebra theory as a whole, after analyzing and studying of it, concluded that: the characteristic of Fan Boolean Algebra has determined that it can solve the extant problem of Data Mining to a certain extent, for example, it can guarantee the result after data mining to be usable , assured and construable;can solve the problems about expression difficulty of complicated concept, correlation of attributes emphasized incompletely and redundant examining;it can set up the unified model of Fan Boolean in a certain system;and it can promote the developmental research of new decision support system.

对泛布尔代数进行总体介绍，在分析和研究它的理论体系后，概括出：它的特性决定了它能在一定程度上解决数据挖掘的现存问题，比如可以保证数据挖掘结果的可用性、确定性及可解释性，可以解决复杂概念表达困难、属性间的相互关系强调不够、重复检验等问题；能就某一系统建立统一的泛布尔模型；并促进新型决策支持系统的开发研究，并对泛布尔代数与数据挖掘相结合的原理展开论述。

After reading and integrating lots of correlative science and technology books, the domestic and international research on CRM is summarized, and then the system frame is built. The conception of relative degree is proposed in the theory, which involves some methods in economics, such as the lifecycle curve of product or technology and the principle of time sequence, and so on. So the foundation for researching the system is built. Applying the technology of data warehouse and the correlative arithmetic of data excavating and method for classifying the clients, the resource analysis module is built,and the problem of data disposing and service management is resolved. The clear relationship of clients and sale strategy is obtained and the valuable client resource is grubbed up by analyzing the information of the clients. The enterprises will gain more clients and businesses opportunity, accordingly, the effect of less investment and more output.is attained.

通过阅读与综合大量相关科技文献，总结和分析了当前国内外对于CRM理论的研究现状，在此基础上建立了系统概念和总体框架；提出了裙带度的概念，融入了经济学中的产品或技术生命周期曲线、时间序列原理等方法，为系统的研究打下了理论基础；采用数据仓库技术、数据挖掘的相关算法以及客户分类方法，构建了资源分析模块，从而解决了数据处理和服务管理问题；通过对客户信息分析与处理，得到清晰的客户关系和营销策略，可以发掘出有价值的客户资源，将有助于企业得到更多的客户和商机，达到少投入、高产出的效果。

Thirdly, in order to manage these data better, the paper advances the organization methods of data of commixed Database of Geo-spatial Framework model by integrating some advanced database technologies such as RDBMS and the Spatial Database Engine, namely on the basis of database and the data of Geo-spatial Framework divided in a preceding part of this paper, it describes layer-delaminating, block-dividing, slice-connecting, map-dividing and BLOB etc. to organize spatial data, including DLG, DOM, DEM, and thematic data, taking example for the data of urban planning. At the same time it also realizes integrated management of these data.

然后，本文以管理这些地理空间框架数据为主要目标，集成关系数据库管理系统以及空间数据引擎等相关技术，提出了地理空间框架混合数据库数据组织方法，即以地理空间框架数据库为基础，以分类后的地理空间框架数据为对象，通过采用分层、分块、连片、分幅以及大二进制对象等方法对基础空间数据(包括数字线划数据、数字正射影像数据、数字高程模型数据)和专题数据进行统一组织，并实现了这些数据的关联一体化管理。

Combined with self-developing CAD/CAM system, the algorithms and its applicability for generating the tool paths have been discussed.

根据系统的需求研究和功能描述，对课题开发的集成化CAD/CAM系统的总体结构以及数据结构进行设计，并给出了系统的数据结构及其与系统模块之间的关系。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。