Then, the principles, types and methods of data partition are given in the context of the distributed spatial databases.

给出分布式空间数据库的空间数据划分原则、分布式空间数据分段的类型和空间数据关系的分段操作方法。

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Since distributed spatial database will be the main data source of Internet GIS, we have to cope with the intercommunication between heterogeneous databases and systems.

随着空间数据获取能力的飞速发展，分布式存储管理的空间数据库将成为网络GIS的主要数据源。

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