«По данным оперативных служб, две ракеты пытались нанести атаку на Чувашию», — говорится в сообщении.
Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10159-6
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就在一个月前，a16z发布的CIO调查已经给出了预警。报告显示，OpenAI的企业渗透率是78%，钱包份额将近56%，账面上依然是无可争议的第一。但报告同时捕捉到了一个让人坐不住的趋势：从去年5月到现在，Anthropic的企业渗透率增长了25%，在所有前沿大模型厂商里增速最快。
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.