Technology of Business
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.
，这一点在im钱包官方下载中也有详细论述
Екатерина Улитина (Редактор отдела «Забота о себе»)
Раскрыты подробности о договорных матчах в российском футболе18:01，更多细节参见WPS下载最新地址
什么是正确政绩观？什么是错误政绩观？
Number (3): Everything in this space must add up to 3. The answer is 0-2, placed vertically; 1-3, placed vertically.，推荐阅读爱思助手下载最新版本获取更多信息