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.
面对年轻消费者，原有的汽车品牌打法很难占领用户心智。新势力品牌中，理想“奶爸车”、小米“驾驶者之车”已深入人心，抢先占领用户心智。
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В Финляндии предупредили об опасном шаге ЕС против России09:28
Four years ago, MLS Next Pro implemented a pair of rules geared towards eliminating time-wasting. Now, just months ahead of the 2026 World Cup, MLS’s experimentation is set to be adopted globally. The International Football Association Board (Ifab), the sport’s rule-making body, is set to meet this weekend and is widely expected to adopt both changes.