This paper provides two patterns of spatial data sharing service, one is physical data center, and the other is logistic data center.
本文提出了两种空间数据共享服务模式：物理数据中心模式与逻辑数据中心模式。
As the foundation of "the digital city", the geo-spatial data sharing mechanism is one of the main bottlenecks of "digital city" or its associated works.
地理空间数据共享机制是“数字城市”的基础，也是“数字城市”或其相关工程开展的主要瓶颈之一。
The spatial data updating has important function on solving the spatial data sharing and interoperating.
空间数据的更新处理，在解决空间数据共享和空间数据的互操作性方面有着重要的意义。
The introducing data grid technology and constructing the spatial data grid may improve spatial data sharing and the application environment.
引入数据网格技术构建空间数据网格，可以改善空间数据共享与应用的环境。
Spatial data grid is a technology system which aims at spatial data sharing and cooperating and integrates spatial data into a single image of spatial data grid in the grid environment.
空间数据网格是网格环境下面向空间数据共享与协同，构造一体化空间数据网格映象的技术体系。
Spatial data grid is a technology system which aims at spatial data sharing and cooperating and integrates spatial data into a single image of spatial data grid in the grid environment.
空间数据网格是网格环境下面向空间数据共享与协同，构造一体化空间数据网格映象的技术体系。
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