Мощный удар Израиля по Ирану попал на видео09:41
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
microG microg.org🌐
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