Wang He, Wang Jia-Dao, and Weng Ding (Pp 2721 – 2732)
Aerodynamic drag analysis based on SST model bicycle helmet surface depression effect

Feng Lv, Shipeng Xu, Yanghang Zhang, Zhuangzhuang Feng and Ruoyan Ding (Pp 2733 – 2749)
Impact Mechanism of Service-oriented Manufacturing Elements on Comprehensive Performance of Agricultural Machinery Enterprises: Structural Equation Modeling Analysis

Zhendong Liu, Hongfei Jia, Ruiyi Wu, Jingjing Tian and Guanfeng Wang (Pp 2750 – 2764)
Lane-Change Optimization Strategy for Giving Way to Emergency Vehicles Based on IOV Technology

Nan Hu, Jun Xie, Bin Gao, and Tiantian Luo (Pp 2765 – 2795)
The Predictive Power of Availability Heuristic for Excess Market Return Based on ARFIMA Model

Siwei Dai, Lu Guo and Siyuan Zhang (Pp 2796 – 2822)
Analysis of Chinese Retail Enterprises Omni-channel Transformation Capability Based on Super Efficiency DEA Model

Ping Ju, Yilin Wang, and Zhimin Dai (Pp 2823 – 2840)
Analysis of China Fund customer complaint based on High frequency data mining using Python technology

Huaiwen Zhang, Xinyu Wang, and Jiaoyue Ma (Pp 2841 – 2857)
Spatial Spillover Effect of Rural Finance on Ecological Environment Construction: Based on Genetic Algorithm Projection Pursuit Model and Spatial Durbin Model

Yongxiu He, Xiong Wei, Rui Zhang, Yi-Er Sun, Tian-Tian Feng, and Binyou Yang (Pp 2858 – 2878)
Blockchain-based 3D Self-positioning of Power Line Carrier Network Nodes

Zhenjun CAI (Pp 2879 – 2888)
Measurement Analysis of China’s Agricultural Trade Cost Based on Improved Gravity Model

Jing Zhou, Pengying Xiao, Baowen Kang, Gang Yuan, Lei Guo, and Tiantao Zhao (Pp 2889 – 2904)
Enhanced Nitritation through Long-Term Hydroxylamine Addition: Insight into Ammonium Oxidation Activity and Microbial Community