1The Cooperative Innovation Strategy of Industry-University-Research Institute of Aviation Industry Based on Evolutionary GameJIA Chunjie, ZHANG Haifeng, LIU Yu1-5,422RBF Neural Network and Integral High-order Sliding Mode Control for Position Servo System of Permanent Magnet Synchronous MotorFENG Pan, DU Haibo6-11,953Low-frequency Noise Optimization Based on Modal Analysis of Acoustic CavityZHANG Jie, SANG Jianbing, HU Jingwei, LUO Mingjun12-174Study on Synergistic Control of FINE Particulate Matter (PM2.5) and ozone(O3)DUAN Yinfeng, LI Chongmin, TIAN Chunyu22-255Preparation Technology, Structure and Properties of Medium-entropy FeCoNi Alloy Coating Prepared by Laser CladdingDENG Jingquan26-316Study on the Bicyclization of Synthetic Oxygen Heterocyclic CompoundsFAN Wei32-367Analysis of COVID-19 Epidemic in Bengbu Areas using Prospective Space-time Permutation Scan StatisticsYAN Xu, ZHANG Xiaorui, ZHU Minghao57-618Analysis of Torsion Resistance Performance of T-shaped Steel Reinforced Concrete Columns Based on ABAQUSLIU Wen62-669Application Research on the Emulsified Asphalt Plant Mixing Cold Regeneration in the Lower Layer of ExpresswayCHEN Gaixia, JIA Qinlong, XUE Shaolong67-7210Eleven Approaches for a Limit ProblemZENG Liang, GAO Dechao79-8111Application of Matrix in Solving Linear EquationsYANG Baojun82-8712Algorithm Design of Two Factor Variance and Principal Component Analysis Based on MATLABXUE Yahong, WANG Jia, CHENG Xilin92-9513Discussion on the Treatment of Clinical Mastitis of Dairy CowsZHAO Xuewen, XI Jinhua, GUAN Xianjun96-9814Bibliometric Analysis on Research Status of Gall Wasp Based on CiteSpaceHAN Libin, SUN Jiuguang, ZHANG Kunpeng, WANG Jingshun99-10415Genetic Analysis of Nutritional Components and Fiber Quality Traits of Cotton Seed Population BC5F3:5 Under Different EnvironmentWU Qiuyu, ZHANG Haibo, LU Quanwei, WANG Youwu105-11316Experimental Research on Improving the Action Memory Effect of College Wushu Club Courses Based on SPT ParadigmZHU Hao, ZHU Yongqiang, JIANG Bo118-12117Research on the Construction and Practice about the Club Teaching Mode of College Tennis CourseZHANG Wei122-125 