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.
better ranking.
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What is the current membership of the Board of Directors?，推荐阅读safew官方版本下载获取更多信息
Opens in a new window。业内人士推荐搜狗输入法下载作为进阶阅读