The subway transportation elevates year by year, the train number and speed is gradually improved, the energy of the environmental control system of subway therefore increases year by year.
地铁运量逐年升高，列车对数和速度逐渐加大，地铁环控系统能耗因此逐年增加。
The control patterns applied to Automatic Train Protection System of high speed railways in Japan and France are introduced.
简介了日本、法国等国外高速铁路列车超速防护系统的控制方式。
As the speed increases, the traditional train control system can not meet the requirement of the high speed railway and high density safe operation.
随着车速的提高，传统的列车控制系统已不能满足高速铁路高速度、高密度安全运行的要求。
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