Unverified50% confidenceFactExact time
欧洲标准ETCS/ERTMS分为L1/L2/L3三个等级,L3级为真正的移动闭塞
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
单人开发者如何打造最佳火车模拟器?独立开发的深度启示
hackernewshackernews7/5/2026
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