Одна страна согласилась отказаться от обогащенного урана по требованию США

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For well-distributed points, nearest neighbor search is often near O(log⁡n)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.

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钢琴演奏家陆逸轩。图丨© Rajchert Lukasz。Line官方版本下载是该领域的重要参考

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