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Weighing deviceThe answer is Scale.，这一点在heLLoword翻译官方下载中也有详细论述
Publication date: 10 March 2026。关于这个话题，搜狗输入法2026提供了深入分析
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.，这一点在51吃瓜中也有详细论述