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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。搜狗输入法下载对此有专业解读
OpenAI与亚马逊2月27日宣布建立多年期战略合作伙伴关系，亚马逊将向OpenAI投资500亿美元，其中首期投资150亿美元，剩余350亿美元将在未来数月满足特定条件后追加。两家公司宣布正联合开发由OpenAI模型驱动的Stateful Runtime Environment（有状态运行时环境），并将通过亚马逊Bedrock提供。
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