train arrival造句

article 10 all railway transport enterprises shall guarantee safe transport of passengers and goods and punctual train arrivals
第十条铁路运输企业应当保证旅客和货物运输的安全，做到列车正点到达。
this paper first analyzes the characteristics on train working diagram of urban rail transit, on the basis of describing property on rail line of urban rail transit, this paper puts forward theory of two stations drawing and three stations drawing which taking the setting of vehicle depots as the core of the subject designs sequence and contrary advance calculating methods to calculate the train arrival and departure time at mediate station, and builds mathematic model on the train working diagram of urban rail transit taking same interval time of train traveling as the target function
摘要在对城市轨道交通线路属性进行数学描述的基础上，以车辆段设置地点为核心，提出两站图及三站图理论，设计分层顺序和反序推点算法计算列车在中间站的到发时刻，并以分时段列车等间隔运行为目标函数，构建城市轨道交通列车运行图通用数学模型。
It's difficult to find train arrival in a sentence. 用train arrival造句挺难的