国产丝袜极品视频在线观看_午夜精品一区二区成人免费_色偷偷亚洲男人天堂岛_亚洲AV自慰白浆喷水肥臀_中文在线理伦视频在线播放

 June 27, 2014, in the morning, Associate Professor Surajit Borkotokey, University of Dibrugarh, India, invited by the Department of Management Science and Logistics , visited our school for academic exchanges, and brought to faculty and students a report entitled "Fuzzy Bi-cooperative Games: Solution Concepts”. Professor Zhang Qiang, Department of Management Science and Logistics, hosted the lecture.