Cluster & Border Point Definition: The map is divided into clusters, and border points are identified using the Ford-Fulkerson based method.
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.
，这一点在heLLoword翻译官方下载中也有详细论述
Медведев вышел в финал турнира в Дубае17:59
（三）行政裁量权基准等行政执法标准制度；
Save StorySave this story