Cheng, Xuansheng
Li, Xinlei
Fan, Jin
Li, Guoliang
Funding for this research was provided by:
the National Natural Science Foundation of China (51478212)
science and technology project in the Zhejiang Traffic Quality Supervision Bureau (ZJ201602)
science and technology project in China Railway 12th Bureau Group (14B-3)
Article History
Received: 23 October 2017
Accepted: 25 April 2018
First Online: 7 May 2018
Compliance with Ethical Standards
:
: The authors declare that there is no conflict of interests regarding the publication of this paper.