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TopicXbox leadership falls apart. what happens next with Phil Spencer and Sarah Bond out? – 1:53
。业内人士推荐搜狗输入法下载作为进阶阅读
// 每轮将最大值"冒泡"到末尾，所以范围逐渐缩小
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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