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.
Historic England commended the team for revealing "new and exciting sites spanning over 10,000 years of our past".
，更多细节参见爱思助手下载最新版本
与此同时，爱奇艺正在通过体验业务构建多元娱乐生态，打造可创造长期价值的新引擎。爱奇艺代理首席财务官曾颖表示：“首家爱奇艺乐园近期正式开业，收获积极反馈，成为体验业务发展的重要里程碑。我们期待这些新兴业务为公司创造长期价值。”
（三）被处罚人在当地没有固定住所，不当场收缴事后难以执行的。