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「我剛到這裡時，和人同房很難適應，天氣也相當惡劣。前一個月我都在想：『或許這不是適合我的工作。』」他坦言。
，更多细节参见WPS官方版本下载
不独此，某巨富去世，其女儿给他立碑，碑文写得幼稚，不伦不类不说，于凶礼中急切窜入吉礼，实在荒唐。，详情可参考safew官方版本下载
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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.