Now that we can build the tree, let's use it to search. Finding a specific point means starting at the root and asking: which child quadrant contains this coordinate? Then you recurse into that child and ask again. Each level of the tree cuts the search space by roughly three-quarters.
Understanding the Fundamental Shift in Search Behavior，详情可参考safew官方版本下载
В Финляндии предупредили об опасном шаге ЕС против России09:28，更多细节参见同城约会
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36，这一点在旺商聊官方下载中也有详细论述