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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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在那个“看得见终点”的时刻，她们至少为自己争取过一次重新开始的权利。。体育直播对此有专业解读
这也再一次带火了全国各地的机器人租赁生意。有机器人公司表示，12月底到3月的订单都排满了，尤其是春晚之后，咨询更加火爆，春节期间订单环比增长近70%。