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.
蓋茨的發言人先前已回應，稱這些指控「完全荒謬且不真實」。
。关于这个话题，heLLoword翻译官方下载提供了深入分析
Vishnevskiy said this system "does not read your messages, analyse your conversations, or look at the content you post" in order to determine your age.
（一）发生增值税法第三条至第五条以外的经营活动，并取得与之相关的货币或者非货币形式的经济利益；