The spatial database is both the core and the key to GIS while the data model is the premise and the foundation for a spatial database.
空间数据库是GIS的核心与关键，而数据模型是空间数据库的前提与基础。
The system includes a spatial database and an attribute database.
该系统包括空间数据库和属性数据库两部分。
The process flow of building a spatial database is very vital to the general technical process of the digital geological survey system.
空间数据库建库流程是数字地质调查系统总体技术流程的一个重要组成部分。
The process flow of building a spatial database is very vital to the general technical process of the digital geological survey system.
空间数据库建库流程是数字地质调查系统总体技术流程的一个重要组成部分。
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