The design method based on the boundary representation of geometric objects is proposed for a geometric moulding system graphic database. Its implementation on the UNIFY relational database management system and the design of C language interface are illustrated.

With the popularity of Internet and the Ever-changing development of information industries as well as the increasingly sophisticated computer technology, business data showed a geometric growth, so database technology has been more widely used.

随着Internet的普及和信息产业日新月异的发展以及计算机技术的日益成熟，业务数据量呈现了几何式的增长，数据库技术得到了更加广泛的应用。

The system includes building the geometric database of the missile configuration, computing the aerodynamic performance and RCS ( Radar Cross Section), and handling the multi-objective optimization problem.

该优化系统主要包括，对导弹外形的几何数据处理，对导弹气动特性和雷达散射面的分析计算，以及对多目标优化问题的处理。

Building the geometric database of the missile configuration means the generation of the fitted coordinates.

导弹外形的几何数据处理，主要指生成了导弹贴体网格。

The Idea on Founding Jiangsu Province Geometric database on the Scale of 1/ 10000

关于建立江苏省1：1万地形数据库的构想

Application of Standardized Hypertext and Info Database to Auto Test Equipment Software

超媒体文本与模型信息库在自动检测设备软件中的应用

Aiming at the problem that the information of the chart and article lacks the dynamic management in the present on-line help system, the data structure of help information was analyzed, has realized the hypertext database of help information with AC-CESS.

针对目前联机帮助系统的图文信息缺乏动态管理问题，通过分析帮助信息的数据结构，用AC CESS实现了帮助信息的超文本数据库。

Design of Hypertext Database Based on Nested Relation

一种基于嵌套关系模型的超文本数据库设计

An object-oriented hypertext database data model and Implementation

面向对象的超文本数据库模型与实现技术

Concurrency control algorithm is used to ensure the consistency of multiuser database while allowing a set of transactions to be executed concurrently.

并发控制算法是为了保证多用户并发执行下的数据库的一致性。

The leitmotiv is to solve the problem how to make use of recursive rules available to realize recursive query in deductive database.

旨在解决在演绎数据库中，如何利用递归规则进行递归查询的问题。

An Optimization Algorithm of Magic Set Dealing with Recursive Query in Deductive Database

演绎数据库中处理递归查询的一种改进算法

The following steps demonstrate switching the default catalog database to a DB2 database

把默认的编目数据库切换为DB2数据库的步骤如下

Recently the communication network faces some new threats. Attacks to the telephone network mainly aim at user terminal device, switching device, database, network management system, signaling system and transmitting device.

近来通信领域出现了一些新的安全威胁对电话网的攻击主要有针对用户终端设备、交换设备、数据库、网管系统、信令系统和传输设备的攻击；

Switching to direct database access and JMS was the single biggest contributor to performance improvement.

切换到直接的数据库访问和JMS是性能改善的最大单一贡献者。

This means that switching to another database system in the middle of a project is easy.

这意味着，在交换中的一个项目到另一个数据库系统很容易。

Switching database vendors or trying to cluster the database servers would mean changing all your front end code.

转换数据库厂商或设法集群数据库服务器将意味着完全改变您的前端代码。

Synthesis basis database construction research for the water supply project in the middle cities of Jilin Province

吉林省中部城市引松供水工程综合基础数据库建设研究

This Fault Diagnosis Expert System can perform fault diagnosis for new electric facility only need to change synthesis database. The designing method that separate diagnostic data and diagnostic ratiocination completely, Shake off localization which traditional Fault Diagnosis Expert System only Diagnosis provide object.

这种将诊断数据与诊断方法完全分离的设计方法，摆脱了传统的故障诊断专家系统只能诊断具体的诊断对象的局限性，为电气设备故障诊断专家系统通用开发平台的研究奠定了基础。

It presents data mining research in the synthesis database of microporous crystals built up by the State Key Laboratory of Inorganic Synthesis and Preparative Chemistry of Jilin University through query and decision tree.

采用数据挖掘中的查询和决策树技术对吉林大学无机合成与制备化学国家重点实验室建立的微孔晶体合成反应数据库进行了数据挖掘研究。

Synthesis Database of Inorganic Microporous Crystal

无机微孔晶体合成反应数据库