The research and exploitation of three dimension strata information system establish corresponding data-base and videotexinformation system for geotechnical engineering.
三维地层信息系统的研究开发为岩土工程建立了相应的数据库和可视化信息系统。
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
As a public oriented information propagation service, videotex has a huge potential market in China.