uniform train interval [铁路] 划一列车间隔

train interval running 铁路时间间隔行车

continuous train interval control 连续式列车间隔控制

I-Interval train 间隔运动

train operating interval 列车开行间隔

interval train 区间列车

train minimum time interval 列车最小间隔

average sorting interval per train 每列车平均分解间隔时间