Rail transit refers to a type of transportation or transportation system that requires operating vehicles to run on a specific track. A typical rail transit is a railway system consisting of traditional trains and standard railways. With the diversified development of trains and railway technology, rail transit has shown more and more types, which are not only spread over long distance land transport, but also widely used in short and medium distance urban public transport.以上翻译结果来自有道神经网络翻译（YNMT）· 通用场景