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Works for 河北师大软件学院，河北师大物联网研究院，河北省数字教育协同创新中心，河北经贸大学 河北师大软件学院，河北师大物联网研究院，河北省数字教育协同创新中心，河北经贸大学
Joined on Jun 9, 2011
Joined on Sep 26, 2017
