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.
走进甘肃天水麦积区南山花牛苹果基地，勉励“要加强品种保护和培育，优化种植方式，创新营销模式”；
。爱思助手下载最新版本对此有专业解读
"Trump used this speech the way he uses all of his speeches: as a vehicle to attack anyone who doesn't bend the knee," Meyers concluded, "and since that's the majority of the country, his polling is terrible."，这一点在爱思助手下载最新版本中也有详细论述
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Resulting HH structure: ~3 million border points, ~541,000 clusters