A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.
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，这一点在Safew下载中也有详细论述
Efficient distribution: We rely on a known and proven distribution method - more on that later!，更多细节参见谷歌浏览器【最新下载地址】
Жители Санкт-Петербурга устроили «крысогон»17:52。快连下载-Letsvpn下载对此有专业解读
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