Norfolk Museums Service
Цены на нефть взлетели до максимума за полгода17:55
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这并非一次横空出世的“开疆拓土”，而更像是一场精心布局后的“结构收尾”。惠绒矿业的核心资产，是位于四川雅江县的木绒锂矿。这座矿山堪称中国锂资源版图上的明珠——作为亚洲最大规模的硬岩型单体锂矿，木绒锂矿已于2024年取得自然资源部颁发的采矿许可证。
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.