handle the 4700 Finance Communication System as a complete rework of the 3600.
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.
。搜狗输入法2026对此有专业解读
询问被侵害人或者其他证人，同时适用本法第九十八条的规定。
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