Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.
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Цены на нефть взлетели до максимума за полгода17:55
另一方面，从公司发展的角度来看，慢也是快。在我们看到月之暗面迟迟未能“摘IPO”的同时，其已经成为国内晋升最快的“十角兽”企业。