15G Bearer Network Technology and Its DevelopmentYU Xingming, LIU Dongyang, XU Zhuyong1-52Road Network Traffic Simulation Based on Short-term Traffic Flow PredictionZHANG Hu6-103Simulation Analysis and Study on the Improvement of Vehicle Windshield Defrost Performance Based on STAR-CCM+HU Zhongwen11-164An Optimal Design of Elevator Parallel Control Based on PLCWANG Liqun, ZHANG Runliang, XU Shijie, WU Jianlong17-215Quality Control of Synchronous Grouting Reinforcement in Metro Shield ConstructionSU Wei, WU Chunqi22-256Iterative Learning Control for 1-D Degenerate Partial Differential Multi-agent SystemZHANG Dan, FU Qin26-31,517Study on the Second Eigenvalues for a Differrential EquationWU Ping32-368On Social Audit Serving the State Governance:Theoretical Basis, Dilemma Analysis and Guarantee MechanismDING Jun, ZHANG Tao, WANG Wei37-419The Way and Strategy to Realize Tax Planning Based on the Idea of ReconstructionGU Ruipeng, NI Qian, WANG Hui, LI Jiajia42-4610Discussion of Integrating Intangible Cultural Heritage into Animation Talent TrainingLI Yaqin, YE Minhao47-5111Analysis of the Connotation and Content of Copy Right Service in Book Publishing Industry from the Perspective of Industrial ChainLI Wenli52-5512Reflections on the Establishment of the Characteristics of the Types of Chinese Higher Vocational EducationWANG Changming56-6313"Quality-oriented" Teaching Reform of Mathematics Course in Vocational Colleges Against the Background of "Double High Plan"QIU Yangcong64-6914Research on the Development Strategy of Vocational Colleges Against the Background of "Double High Plan"SHAO Linyan, YANG Qin70-7515A Tentative Discussion on Constructing Management Mechanism for Field Internship in Vocational CollegesLI Yaohui, XU Chunlong, ZHAO Cheng76-7916Exploration and Practice of Pluralized Evaluation System in the Course of Mechanical GraphicsZHAO Haiyan80-8317On the Challenges and Strategies of the Development of Sports Events in Suzhou Against the Background of "The Belt and Road Initiative"MENG Xiangbo84-8818Research on the Current Situation of the Elective Course of Table Tennis in Vocational Colleges and Its Countermeasures:A Case Study of Suzhou Vocational UniversityGU Liya89-92 