The paper analyzes the systematic framework and functional character of ATC system of Shanghai Metro Line 5 which is based on punctual automatic train control technology.是什么意思_The paper analyzes the systematic framework and functional character of ATC system of Shanghai Metro Line 5 which is based on punctual automatic train control technology.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句