tracking train intervals

• 追踪运行间隔

tracking train intervals的用法和样例：

例句

1. By comparing the two formulas, the paper concludes that moving automatic block can reduce the train headway and improve the transportation capacity.
   通过对两公式的比对，得出了移动自动闭塞系统能够缩短列车的运行间隔，提高线路的通行能力。