Railroad car is single sectioncar, so microcomputer network system adopts two-stage control, does not have to adopt intricate Train-Bus that adopted by organize into groups car.
有轨电车为单节车辆,微机网络系统采用二级控制,不必采用编组运行车辆所采用的较复杂的列车总线。
2
Unlike an out-of-service subway car, a broken-down section of sidewalk could not simply be shunted aside.