【摘要】 本文提出具有层次结构的广义变长多维数据库结构模型,同时设计一个地矿资源数据库系统:采用该技术建设的地矿 数据库,可提供统一的数据访问服务,便于各子系统间相互访问,并具有很好的扩充性。更多还原

【Abstract】 This paper provide generalized alterable length multi-dimension structure based on layer structure and design a mine resource database system. Being adopted this technology to create,the mine resource database can provide uniform data access service.It is convenient for inter-access about each subsystem and possesses of excellent expansibility.更多还原