In recent years, the research on spatial indexing is arousing more and more interests and attentions.
近年来，针对空间数据库索引的研究引起了人们越来越多的兴趣和关注。
In order to improve the search efficiency, we must establish a highly efficient spatial indexing mechanism.
为了提高检索效率，必须建立高效的空间索引机制。
Efficient processing of operations in spatial database systems relies upon auxiliary spatial indexing mechanism.
空间数据库系统通过引入空间索引机制来提高空间数据操作的效率。
Spatial data is the main part of the GIS data system, constructing reasonable and efficient spatial indexing has an significant effect on the GIS system performance.
空间数据是GIS系统的主要数据组成部分，建立合理高效的空间数据索引对于GIS系统的性能有着极其显著的影响。
Spatial data is the main part of the GIS data system, constructing reasonable and efficient spatial indexing has an significant effect on the GIS system performance.
空间数据是GIS系统的主要数据组成部分，建立合理高效的空间数据索引对于GIS系统的性能有着极其显著的影响。
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