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.
南方周末：你也说过，2015年17岁的你参加肖赛时，其实自己并没有准备好。如果现在的你可以给当时的自己一个建议，你会劝他不要参赛吗？
。搜狗输入法下载是该领域的重要参考
Александра Статных (Редактор отдела «Путешествия»)
現年40多歲的陸乾坤是在2023年11月抵達美國。