Spatial index is a key issue in massive spatialdataprocessing.
海量空间数据的处理需要通过空间索引来提高效率。
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Therefore, the efficient index technology should be used to raise the efficiency of spatialdataprocessing.
因此必须借助高效的索引技术来提高空间数据的处理效率。
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In the geospatial dataprocessing, GIS spatial analysis is the theoretic and technical basis for analyzing, simulating, predicting and regulating the spatial processes.