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.
* @param {number} k 要移除的数字位数。业内人士推荐Line官方版本下载作为进阶阅读
。safew官方下载对此有专业解读
今年以来，聚焦要素市场建设重点领域和关键环节，粤港澳大湾区内地九市、重庆等10个要素市场化配置综合改革试点地区主动作为，着力破除体制机制障碍，充分释放要素市场活力。
（一）违反国家规定，侵入计算机信息系统或者采用其他技术手段，获取计算机信息系统中存储、处理或者传输的数据，或者对计算机信息系统实施非法控制的；。业内人士推荐搜狗输入法下载作为进阶阅读
The capacity of each node (how many points it can hold before splitting) controls the shape of the tree. A low capacity means nodes split early, producing a deep tree with many small cells. A high capacity means nodes tolerate more points before splitting, producing a shallow tree with larger cells.