The Study on Environmental Property Database of Steel Material

Research and Development of New Plastics Property Database Based on Web

基于Web的新型塑料性能数据库的研制与开发

In the system, technical information objects are managed by a spatial database and their properties by a property database. The two databases are linked through the identifier ID.

该系统中用空间数据库管理专业信息对象，用属性数据库管理信息对象的属性数据，两数据库通过识别符ID连接。

My task is to design the drawing configuration, the equipment property database configuration and the history database configuration.

本文介绍了绘图软件包组态、设备属性数据库组态、历史数据库组态的设计。

The virtual vision is obtained by the method of querying graphics database.

虚拟视觉采用查询图形数据库的方法。

Thirdly, the paper discusses the connection method of the database and puts forward using the ADO of ASP. Then it sets up the users information database and querying database using the Access. And the paper realizes the connection of VRML and database by ADO.

第三，对各种数据库连接方法进行了比较研究，提出了用ASP中的ADO来连接数据库，在Access中建立了用户信息和查询数据库，并使用该方法完成了VRML与数据库的连接。

Taking account of PQM data characteristics, a management pattern is suggested, which applies multi-level management of PQM master-slave files, dispatch of list querying database and combination of form-work-based dynamic reports.

考虑到PQM的数据特点，建议采用主、从数据文件多级管理，目录检索数据库调用，积木式动态报表组合的PQM数据管理模式。

It can be used for communication between Domino server and Internet server. In addition, sharing database, reading and sending e-mails, querying database and browsing the Web are available.

可以用它在Domino服务器和Internet服务器之间进行通信，除此之外，还可以共享数据库、读取和发送邮件、查找数据库以及浏览Web。

But the difficulties in understanding natural language enable the Chinese interface of querying database slowly to achieve the practical level.

因此，研究中文自然语言查询短信的理解方法，对数据库中文查询系统的早日实用化有着十分积极的作用。

And this is the basis of querying database.

这也为进行数据库查询奠定了基础。

Comparing with other components, it meet performance problem especially in querying database.

尤其是在使用Web服务查询数据库时，相对于传统的构件模型，它的性能存在问题。

The Achievements, Deficiency and Future Work in Temporal Database

时态数据库的成果、缺陷与未来&时态数据库二十年回顾之二

Study on Data Dependency Theory in Temporal Database

时态数据库数据依赖理论研究

However, there is no complete temporal database management system yet by now.

但是时态数据库技术的应用仍然停留在初级阶段，到目前为止还没有一个完全的时态数据库管理系统问世。

The temporal database has unique advantages in time operation and processing.

时态数据库在时间运算和处理方面有独到的优势。

Discussion on a Temporal Database System for User Information

用户信息时态数据库系统分析

Method for Distributed Simulation Data Collection Based on Temporal Database

基于时态数据库的分布仿真数据收集方法

Time processing method in the design of temporal database system

时态数据库系统设计中的时间因素处理

It succeeded to resolve the updating of tens of thousands of routing table, the shaking of complex RPR topology database, high cost of hardware storage space and the spending problem of CPU.

成功地解决了数以10万计的路由表项的更新、复杂RPR拓扑库的震荡、高成本硬件存贮空间和CPU的开销问题。

Knowledge production and frame representation are used to build rule database, status database, topology database and property database, these databases can describe all information of a substation.

该系统采用产生式知识表示法和框架知识表示法，通过在数据库中分别建立规则库、状态库、网络拓扑知识库和设备属性库来完整表述变电站的全部信息。

Unable to retrieve Global Properties from topology database.

无法从拓扑结构数据库中检索全局属性。