依靠GPS对空间数据快速定位，RS数据发现土地动态变化区域，再利用GIS平台进行空间数据组织、管理、分析与可视化。
GPS locates positions quickly, RS finds the dynamic change areas, then the data of RS and GPS are organized by GIS.
当前，传统空间数据组织与模型的内在局限性已经不能完全满足大范围甚至全球多分辨率海量数据动态管理的要求。
Currently, traditional spatial data model with the inherent limitations can not fully satisfy the scope of the global multi-resolution massive data dynamic management requirements.
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