1The Historical Logic,Theoretical Logic and Practical Logic of the Two Centenary GoalsCHANG Yue1-42Thoroughly Implement the Important Exposition of General Secretary Xi Jinping on Deepening Education Reform and Continue to Promote the Socialized Management of Logistics in Colleges and UniversitiesZHANG Hong8-103The Major Guiding Significance of General Secretary Xi Jinping's Important Expositions about News and Public Opinion WorkYANG Yuli11-134Design of Monitoring System for Farmland Pests and Environmental Information Based on Internet of ThingsZHANG Tianpeng, HOU Fanbo, LI Gen14-185Fault Diagnosis of S700K Switching Machine Based on Frechet DistanceZHAO Yang28-336Experimental Study on Condensation Heat Transfer Characteristics of R22、R32 and R410A inside the Horizontal 1EHT TubeQIU Fuqiang34-387Study on Gas Deposit Law of No.14-3 Seam in Dadougou MineZHANG Pengwei, LIU Zhanning, MA Zeyu39-418Aerobics Dynamic Posture Recognition and Analysis System based on Deep Learning AlgorithmHE Li, XIANG Yaguang51-569New Vision of Color in UI Design under Screen Interaction——Take Huangshan Tourism APP as an ExampleXU Sujun63-6610Study on 3-D Rapid Design of Space-bridge StructureZHU Kewei78-8211Test and Analysis of Actual Purification Capability of Household Air ConditionerCHENG Qian, XIAO Wenjie, WANG Libo83-8512Application of Prestressed Construction Technology in Highway BridgesLI Tao91-9313Experiment Study on the Shear Behavior of Simple Supported Reinforced Concrete Beams with High-strength StirrupsYU Qiongfang, CHEN Changbing, HUA Changcheng94-9914Study on the Experiment of Measuring Liquid Viscosity Coefficient by Falling Ball MethodZHAO Xiaoyun, LI Shigang, ZHAO Ming, HAN Xiulin, TANG Yijia100-10315Determination of Main Production Indexes of AA Broilers by Principal Component Analysis and Cluster AnalysisMA Fashun, NIU Yuelin, XING Anqi, ZHAO Mengxue, WANG Mohan, YUAN Xuezhen, LIANG Xiuli104-10816The Research on Strengthening the Intellectual Property Protection of Agricultural Brands to Promote High-quality Development in the Yellow River BasinGAO Lina109-11117Prevention and Control of Plant and Air PollutionWU Yunfei, Liu Xiangna, Li Yajuan112-114 