关系数据系统

Take the data management system of Yimin mining area geological report electronic edition as an example,use unified management pattern of geo information technical relational data and graph data,combined with NETT data transmission and data storage platf...

以伊敏矿区电子版地质报告数据管理系统为例，应用地理信息技术的关系数据与图形数据统一管理模式，结合网络技术的数据传输与存储平台，建立了基于网络信息服务的地质勘探数据管理系统，可以充分挖掘地质勘探数据应用的深度和广度，同时便于地质勘探数据分发共享。

Secondly, the origination and development of customer relationship management system, which has become a hotspot of information system, is represented.

本文接着介绍了当今信息系统建设的一个热点——客户关系管理系统的产生、发展及其与数据仓库的关系。

Based on microlevel data collected in Gansu and Inner Mongolia, the method of data envelope analysis was employed to examine the efficiency of agricultural water utilization, the logical relationship between water use efficiency and water right transfer was analyzed to examine the preconditions for agricultural water transfer against transitional background of Chinese economy.

本文利用甘肃、内蒙2省典型灌区432个农户的实地调研数据，基于数据包络分析方法，对农户灌溉用水效率与农业水权转移的内在逻辑关系进行系统分析，以探索中国转型经济条件下农业水权转移的条件。

Based on microlevel data collected in Gansu and Inner Mongolia, the method of data envelope analysis was employed to examine the efficiency of agricultural water utilization, the ogical relationship between water use efficiency and water right transfer was analyzed to examine the preconditions for agricultural water transfer gainst transitional background of Chinese economy.

本文利用甘肃、内蒙2省典型灌区432个农户的实地调研数据，基于数据包络分析方法，对农户灌溉用水效率与农业水权转移的内在逻辑关系进行系统分析，以探索中国转型经济条件下农业水权转移的条件。

The main work of the research is as follows:(1) Takes advantage of GPRS network as the bearer network and makes good use of the features provided by GPRS, such as channel sharing, online always, etc, a WAP based moble police affair system is designed and implemented.

提出了一种半结构化数据类型的XML数据与结构化数据类型的关系数据之间的映射算法，解决了以XML语言描述的无线移动警务系统的数据信息在关系型数据库Oracle中的存取。

How the great capacity of customer data resource which come from the accumulation of running CRM system is used and how advanced data mining technologies are utilized to fully mine the customer requirement, to improve business saleroom, to enhance customer service level and to boost companies' power of core competition, which has become a focus problem that impact telecom companies' further development.

随着国内电信业市场竞争的加剧，面对日益激烈的资费竞争，电信运营商如何运用现有的客户关系管理系统积累的海量客户数据资源，利用先进的数据挖掘技术，充分挖掘客户需求，提高业务营销、客户服务水平，提高企业核心竞争力，已经成为电信企业进一步发展的焦点问题。

Customer Relationship Management that can supply customers resources and involved data analysis is the key, But a huge amount of data prevent us from discovering valuable customer mode, so the research of knowledge discovering system applied in Customer Relationship Management to class reasonably customers is very significative. Now, there are many methods classing customers applied in Customer Relationship Management.

能够提供客户资源及相关数据分析的客户关系管理系统就成为焦点，但是客户关系管理系统中庞大的数据量阻碍了我们从中发现有价值的客户模式，因此研究适用于客户关系管理的知识发现系统，从而合理地实现客户分类，具有十分重要的理论意义和实用价值。

The method of extending Huffman code-based XML storage and query implements the storing and querying of node information and the information betweens nodes.

对XML数据库系统的研究主要有两个基本途径：纯XML数据库系统，优点是充分考虑XML数据的特点，以一种自然的方式来处理XML数据，能较好地支持XML的存储和查询，但目前技术仍不成熟；在原关系数据库系统或面向对象数据库基础之上扩充

In this paper,the storage forms of sound and image information are first discussed.Then,the authors study and analyse methods and technology that can be used in sound and image retrieval,and give classified expositions.Meanwhile,this paper makes comparative research on data models of the multimedia information retrieval system,proposes that the design of MIRS may base on a RDB system,and it can support storage and retrieval of sound and image information by expanding its ability of managing complex objects and multimedia data.

本文首先分析了声音与图像信息的存贮处理，接着分类阐述了声音、图像信息检索可以采用的方法和技术；在此基础上，对多媒体信息检索系统的数据模型进行了比较研究，提出在目前技术条件下，多媒体信息检索系统的设计可采用现有成熟的关系数据库系统作为基础，并在关系模型里增加处理复杂对象与多媒体数据的能力，以实现对声音、图像等多媒信息的存贮与检索。

Chapter IV presents the relation data model of tool database based on the analysis of available tool data, constructs the database management system of tool. With the family table technology of Pro/E, the three-dimensional parameterized model is built by programming, and the dynamic display of the three-dimensional graphics of tool is realized.

第四章对刀具数据进行了分析，给出了刀具数据库的关系数据模型，建立了刀具的数据库管理系统；利用Pro／E的簇表技术，通过编程对刀具进行三维参数化建模，并实现了刀具的三维图形动态显示。

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。