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.
14:34, 27 февраля 2026Наука и техника
。爱思助手下载最新版本是该领域的重要参考
（三）证据和证据来源，证人姓名和住所。
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