A good algorithm to design such a hierarchical database consists of two steps, first, to describe real world in E-R model and then, convert it to the model supported by the DBMS.
在设计层次型数据库时，一个较好的设计方法是分二步走：首先利用实体联系方法抽象出现实世界的实体联系模型，然后将实体联系模型变换到具体DBMS 所支持的层次型模型。
The logic framework structured design is consisted of theory analysis of function dependency, relation normalization, transformation from E-R model to relation model and data model normalization.
逻辑结构设计包括函数依赖和关系规范化的理论分析、E - R模型向关系模型的转换和数据模式规范化。
Proposing the E-R-P information management model in software system, guiding the instruction of the information resource integration platform.
创建了软件体系中的E - R - P信息管理模型，用其指导信息资源整合平台的构建。
Used the E-R graph tool to design the system information model, and has constructed the system database physical information model.
采用实体联系图工具设计了系统的信息模型，并构建了系统的数据库物理信息模型。
According to the deficiency of traditional E-R model in large database designing, the paper puts forward a design idea of object-oriented database based on UML.
针对传统e - R模型在大型数据库设计中的不足，提出一种基于UML的面向对象数据库设计思想。
Further more, rules of case library designing, organizing and distributed storing are investigated, in which, an E-R (Entity-relation) model of plastic parts and injection mould is constructed.
进一步提出了实例库的设计原则与组织原则，建立了塑件和模具之间的E -R模型，提出了注射模实例的分散组织存储方法。
Some basic concepts of E-R relation model and multi-dimension data model are introduced, and design of multi-dimension data model of demand management is described in detail.
本文介绍了E R关系模型和多维数据模型的一些基本概念，着重介绍了需求管理的多维数据模型设计。
And concrete data store model is achieved with E-R diagram designing data store.
用e - R图设计数据库，并得到具体数据库模型。
This text introduced the basic concept and modeling process of a semantic object model, and compared it with E-R model.
简要介绍了语义对象模型的几个基本概念，并与E -R模型作比较。
User flow chart, use-case diagram, total model management view, physical configurement view and E-R diagram of database model are set up.
系统总体模型管理视图、各子系统的物理配置视图；数据库模型E-R图。
E-R model is designed and translated into logic model. Knowledge base is realized basing on database.
并通过概念模型设计、逻辑设计、数据表设计，完成了基于数据库的知识库实现。
The entity-relationship(E-R) data model is based on a perception of a real world that consists of a collection of basic objects, called entities, and of relationships among these objects.
实质-联系 （电子半径）数据模型以有一个基本物件的集合物件，叫做了实质的真正世界的一个知觉为基础，和在这些物件之中的联系。
After the analysis of system function and business, this paper designs the database E-R model and logical data model of this system.
在分析了系统业务和功能之后，设计了系统数据库的E - R模型及逻辑数据库模型。
The system is developed by object-oriented method, and modeled by UML. According to E-R model analysis, the background database is established.
系统采用面向对象的开发方法，用uml建模语言将系统需求模型化，并根据E - R模型分析结果建立后台数据库。
The E-R diagram of Custom organization model is presented.
针对海关组织机构图，构建海关组织机构用例模型。
This paper makes an E-R model for the comprehensive vulnerability analysis model, and establishes IMS vulnerability knowledge base.
并对脆弱性综合分析模型进行了E-R建模，建立了脆弱性知识库。
This paper makes an E-R model for the comprehensive vulnerability analysis model, and establishes IMS vulnerability knowledge base.
并对脆弱性综合分析模型进行了E-R建模，建立了脆弱性知识库。
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