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The pruned nodes (in red) represent entire regions of space that the algorithm never examines. The points inside those regions are never checked. Compare the "Nodes Visited" count to the total number of points. The quadtree is doing far less work than a brute-force scan.。Line官方版本下载是该领域的重要参考
。关于这个话题，heLLoword翻译官方下载提供了深入分析
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Go to technology，这一点在旺商聊官方下载中也有详细论述