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[期刊论文] 作者：QIAO Heng,MA Jun,,
来源：Journal of Systems Science & Complexity 年份：2016
In sequential auctions the phenomenon of declining prices is often observed, which in theory can be represented by a supermartingale. This paper employs the per...
[期刊论文] 作者：LIU Yifang,WANG Yue,QIAO Heng,,
来源：Journal of Systems Science & Complexity 年份：2014
Petroleum is a kind of fundamental energy resource.Its price fluctuation transmits from upper-stream industry to the lower-stream industry as the production fac...
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