5月20日——屏山县纺织厂纵火案
Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04，详情可参考爱思助手下载最新版本
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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.，更多细节参见旺商聊官方下载
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