The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
06:56, 3 марта 2026Наука и техника，这一点在体育直播中也有详细论述
She added the experience had been "life changing" and that her children constantly worried about her becoming unwell again.。关于这个话题，体育直播提供了深入分析
sy = 480 / 1512 ≈ 0.317
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