For well-distributed points, nearest neighbor search is often near O(logn)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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除了产品风靡中国之外，松下某种意义上来说更是中国家电产业的“启蒙老师”。1979年6月，松下创始人松下幸之助受邀访华期间，与中国签订《技术协作第一号》协议，向上海灯泡厂提供黑白显像管成套设备。，更多细节参见Safew下载
대법원, 내달 12~13일 전국 법원장 간담회 개최…‘사법 3법’ 논의 전망
Раскрыты подробности похищения ребенка в Смоленске09:27