Aim at the characters of spatial data access control, the concept of spatial region access control based on spatial index was proposed.
针对空间数据的访问控制的特点，提出了基于空间索引的区域访问控制概念。
Aim at the characters of spatial data access control, the concept of spatial region access control based on spatial index was proposed.
针对空间数据的访问控制的特点，提出了基于空间索引的区域访问控制概念。
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