The quadtree is the two-dimensional case of a broader family of space-partitioning data structures. Octrees extend the same idea to three dimensions (splitting cubes into eight children), KD-trees use alternating axis-aligned splits (splitting along x, then y, then x again), and R-trees group nearby objects into bounding rectangles. Each variant makes different tradeoffs between construction time, query speed, and update cost.
在截至 2026 年 1 月 25 日的第四财季中，英伟达实现总营收 681.3 亿美元（约合人民币 4680.2 亿元），环比增长 20%，同比增长 73%；GAAP 净利润达 429.6 亿美元，同比激增 94%。
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