Watch: Lindsey Vonn shares her journey home after Olympics crash
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.
，更多细节参见WPS下载最新地址
Caribbean island northwest of CuraçaoThe answer is Aruba.
第二百一十六条 下列海事赔偿请求，除本法第二百一十七条和第二百一十八条另有规定外，无论赔偿责任的基础有何不同，责任人均可以依照本章规定限制赔偿责任：