人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
Reporting from, 紐約。关于这个话题，im钱包官方下载提供了深入分析
，更多细节参见safew官方下载
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.
Discard old data: evict what's already buffered to make room，详情可参考旺商聊官方下载