Congratulations to Xinyu Xiao, Yifan Ping, Jiaqi Wang, Zeshu Wang, Yifei Pan, Pengpeng Ruan. Their team is awarded the national second class 2 of the 14th "Challenge Cup" undergraduate cumicular academic science and technology works (第十四届“挑战杯”大学生课外学术科技作品总决赛全国二等奖).