Such algorithm is applicable to regular, irregular, single track and doubletrack train operation diagrams, and can solve conflict problems of operation line in a short period.
该算法适用于周期、非周期、单线和双线列车运行图，能在较短的时间内解决运行线的冲突问题。
2
A description is given to method and technology adopted against track deviation during construction of elastic monolithic track bed in long doubleline tunnel.
A great amount of post tensioned pre-stressing concrete single box beam for doubletrack (as called the box beam hereinafter) has been used on the line.