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.
书籍经过严格编辑和校对，内容结构清晰，是网络文本难以替代的高质量语料。
。关于这个话题，heLLoword翻译官方下载提供了深入分析
Последние новости
Eileen Collins with her young daughter Bridget