The structure of database Management system for videotex is described in general. And how text database system get into videotexsystem is presented.
叙述了可视图文数据库管理系统的结构，提出了现有的文本型数据库进入可视图文数据库的问题及其解决办法。
2
Videotex is a practical applied data broadcasting system, which has superiorities over other system in the field of information industry.
图文电视是一种实用的数据广播系统，在信息领域中与其它系统相比，该系统具有明显的优势。
3
The research and exploitation of three dimension strata information system establish corresponding data-base and videotex information system for geotechnical engineering.