This disparity matters because transportation modes do not exist in isolation. The Federal Railroad Administration itself calls U.S. freight rail the safest in the world and has set record safety performance in 2025; but when regulations make rail shipping more expensive, shippers respond rationally by moving freight to far more dangerous trucks. Every percentage point shift from rail to truck increases overall risk to the public.
UniScientist 首先把矛头指向了数据：如何构建高质量科研训练数据一直是硬瓶颈。现有方案几乎只有两种极端：
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