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.
为了理解母亲的家族历史，杜耀豪踏上了旅程，首站到达香港，寻找最早离开越南的大舅。1973年，这位年仅26岁便离家的长兄，在香港卖面条起家，后来开了一家小有名气的越南菜餐厅。
。safew官方下载对此有专业解读
Why food fraud persists, even with improving tech，详情可参考雷电模拟器官方版本下载
While there are legitimate debates to be had about immigration and crime, a lot of this content goes beyond the evidence available in reality.
FT Edit: Access on iOS and web