Citation: | HU Zhen-shan, XU Hong-ling, YU Quan, LI Ning, YUAN Zhan, SUN Jian-li. The Fixed Amplitude Difference Based on AHP and Entropy Method[J]. Journal of Beijing University of Technology, 2014, 40(9): 1371-1378. DOI: 10.3969/j.issn.0254-0037.2014.09.015 |