南方周末：那是否可以理解为，这种关于速度的选择，其实是有意识的决定，而不是完全即兴发生的？
This is the same idea behind binary search. In a sorted array, you compare against the middle element and eliminate half the remaining candidates. In a quadtree, you choose one of four quadrants and ignore the other three regions. Each level narrows the search space by a factor of four instead of two.
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2026-02-27 00:00:00:0本报记者 白光迪 吴德沛委员——