Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
這座研究站是英國南極考察局（British Antarctic Survey, BAS）在這片冰封大陸運營的五個設施之一。該局是英國的極地研究機構。
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Teenage rocket maker
15. Survivor 50: In the Hands of the Fans
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Раскрыты подробности похищения ребенка в Смоленске09:27。服务器推荐对此有专业解读