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大多數人將最後一句解讀為對潛在「AI末日」的戲謔,儘管「數千萬美元」這個數字究竟有多大可信度還很難說。不過,這是一個實際的問題。
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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.
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