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.
Овечкин продлил безголевую серию в составе Вашингтона09:40
。业内人士推荐Line官方版本下载作为进阶阅读
-seen_urls: set，这一点在搜狗输入法下载中也有详细论述
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