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The algorithm maintains a running "best distance" that starts at infinity. As it walks the tree, it checks each visited point and updates the best distance if it finds something closer. Before recursing into a child node, it checks whether the closest possible point in that child's bounding box is farther than the current best. If so, the entire subtree gets pruned.，更多细节参见爱思助手下载最新版本
Because I am deeply concerned about users losing their most sacred data.，详情可参考爱思助手下载最新版本
Названа причина скорого подорожания китайских смартфонов«Кэчуанбань жибао»: Китайские смартфоны подорожают с марта
（二）采取预收款方式提供建筑服务；