* 2. 排序：按位置从离终点近→远排序（降序），保证从最前面的车开始分析；
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不过他也坦承，「训练之后仍有大量工作要做」。稳定性、成本、安全合规，一堆问题还没解决，离真正可用还有距离。
“I think most companies are late. Within the next year, I believe the majority of companies will reach the same conclusion and make similar structural changes,” he wrote in a separate letter to shareholders.