Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.，详情可参考快连下载安装
SpeedPro Fort Worth West, Texas. Credit: SpeedPro。关于这个话题，safew官方版本下载提供了深入分析
Овечкин продлил безголевую серию в составе Вашингтона09:40