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Some of the components he designs are like "variable springs", he explains – motion-controlling parts able to go into reverse and soak up some impact from the ground below, say. "It can dynamically absorb load as you need it to."
。关于这个话题，Line官方版本下载提供了深入分析
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.
So close in fact, says Cardiff University archaeologist Tudur Davies, that some of these graves have several people in them.
Артем Соколов (Редактор отдела «Силовые структуры»)