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。
Then, the principles, types and methods of data partition are given in the context of the distributed spatial databases.
系统原型设计按照空间数据库设计、系统接口定义、应用服务器设计、分布式对象实现和客户端设计几个步骤进行。
The design flow is as follows: design of distributed spatial database, design of interface for the system, design of application servers and design of clients.
空间数据库的分布式体系结构一直是理论研究的热点和工程实践必须面对的问题。
The system structure distributed in spatial database is always the focus of theoretical research and the problem that projects must face.
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。
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。
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.
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