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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Mark Barnfield, commercial director at Severn Trent Green Power, said the resulting gas was cleaned and either "injected into the gas grid" or converted to electricity.，详情可参考im钱包官方下载
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