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.
Израиль нанес удар по Ирану09:28，这一点在safew官方下载中也有详细论述
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当地时间3月2日，美国驻巴基斯坦大使馆表示，自3月2日起，美国驻白沙瓦总领事馆已暂时停止运作，位于伊斯兰堡的使馆将继续为美国公民提供所有常规或紧急领事服务。
There are two states: