Nature, Published online: 25 February 2026; doi:10.1038/s41586-025-10062-6
As the economy grows increasingly reliant on spending by the very wealthy, it has also become more vulnerable to a sudden downward correction in share prices.
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Not the day you're after? Here's the solution to yesterday's Strands.
The dashed circle shows the current best distance. As the algorithm finds closer points, the circle shrinks, which causes more subtrees to fail the "could contain a closer point?" test and get pruned. The search usually gets cheaper as it progresses.
3. Dify 本地部署（docker compose）