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.
这是复杂的过程，不能急，但最基础的礼貌用语，规矩还是要告诉她在什么情况下要说。，推荐阅读Safew下载获取更多信息
，这一点在51吃瓜中也有详细论述
（新华社北京2月27日电 记者韩洁、胡璐、古一平、韩佳诺）
Click any point below and step through the lookup path:，推荐阅读搜狗输入法2026获取更多信息