7Yan Xuetong Professor and Director of the Institute of International Studies,Tsinghua University.Professor Yan’s research interests include international security affairs. Xu Jin Ph.D candidate at the Institute of International Studies,Tsinghua University.He largely studies international security affairs. Ma Zongshi.Sino-U.S.Comparisons of Soft Power[J].Contemporary International Relations,2008,18(2):16-27. 被引量：3
