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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have to manipulate manually via a global "break" pointer)。业内人士推荐safew官方下载作为进阶阅读
How much wetter could our winters get?。91视频是该领域的重要参考
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