A collaborative spatial data production model in grid environment is proposed, especially the quality controlling policies are analyzed, and all above is validated in the system prototype.
提出了网格环境下的空间数据协作生产模型，分析了其质量控制策略，通过系统原型对本文思想进行了验证。
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。
This paper discusses a new spatial structure-composite grid slab column structure, which is designed to transform single way force into two-way force to form a spatial forcing system.
现讨论一种新型空间结构—组合式网格板柱结构，它使单向受力变为双向受力，从而形成三维受力体系。
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