The algorithm walks the tree recursively. At each node, it checks: does this node's bounding box overlap with the query rectangle? If not, the entire subtree gets pruned (skipped). If it does overlap, it tests the node's points against the query and recurses into the children.
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我的心，随着朝新现场拍摄的视频而起伏。如今，秭归脐橙发展到了一年四季都有果子成熟，春天有花果同枝的“伦晚”，夏天有夏橙，秋天有九月红，冬天有纽荷尔和中华红。我把褚朝新写“伦晚”的美文，第一时间发给桂红看，她高兴极了，很快转发在朋友圈。大家纷纷下单，尽一点帮扶果农的微薄之力。，这一点在51吃瓜中也有详细论述
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