3014244910http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142449.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142449.html11921 中华人民共和国治安管理处罚法
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
。51吃瓜是该领域的重要参考
于是我决定做一个更完整的横向测评，核心目的只有一个：帮打工人找到一款真正「能用」的日常 PPT 神器。
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.