摘要
设计了一种基于区域和基于对象数据模型的新型空间数据库,该数据库具有处理多种数据源的能力,提供应用接口,具有较高的灵活性.基于其上建立的清江系统,能满足多种需求.
A new spatial database based on region and object data model is designed.The database could dispose many data sources.It provides application interfaces and has some flexibility.The GIS system of Qingjiang River based on it could satisfy many requirements.
出处
《水利水电技术》
CSCD
北大核心
2003年第3期57-59,共3页
Water Resources and Hydropower Engineering
