%0 Journal Article
%A LIU Chang
%A NIE Gui-hua
%A YANG Jia-hui
%T null
%D 2018
%R 10.19722/j.cnki.1008-7729.2018.0136
%J Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
%P 90-98
%V 20
%N 5
%X null
%U https://journalsk.bupt.edu.cn/EN/10.19722/j.cnki.1008-7729.2018.0136