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.
（三）非法进行影响国（边）界线走向的活动或者修建有碍国（边）境管理的设施的。
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Мир Российская Премьер-лига|19-й тур