Unverified50% confidenceFactExact time
PostGIS默认使用的GIST空间索引底层为R-tree变体，可加速地理空间查询
1
Sources
50%
Confidence
Long-term
Relevance
8/18/2026
First Seen
Sources
霍尔木兹海峡实时船舶追踪：AIS数据如何成为地缘风险观察窗口
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