The pruned nodes (in red) represent entire regions of space that the algorithm never examines. The points inside those regions are never checked. Compare the "Nodes Visited" count to the total number of points. The quadtree is doing far less work than a brute-force scan.
把孩子成长比作「模型训练」，本质上是把人降格成「低效生物计算机」，这不只是逻辑问题，更是价值观滑坡。网上很多人直接说「这不是比喻选错了，而是把尊严换成效率的典型技术官僚思维」。
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Екатерина Щербакова (ночной линейный редактор)
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FT Edit: Access on iOS and web。业内人士推荐搜狗输入法2026作为进阶阅读
2026年2月26日，英伟达交出了一份堪称“宇宙级”的财报：Q4营收681亿美元，同比增长73%，数据中心业务增长75%，毛利率维持在75%的惊人水平，Q1指引营收更是高达780亿美元。