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.
В Иране заявили о ракетном ударе по разбившемуся американскому самолету02:12。易歪歪官网对此有专业解读
Нападение на Иран ударило по единству Белого дома20:47。手游对此有专业解读
第三大判断延伸：关于“长期资金”，你的公司值得被长期持有吗？