1Research on Risk Measurement Based on Information EntropyCHENG Qi-yue, QIU Wan-hua, WEI Chao1-42Development of Knowledge ManagementGUO Cai-fen5-123DCS and FCS in Water Cycle Experimental SystemSUN Hong13-154Design of LED Point Source Tracking System Based on LM3SS11 Single-chip MicrocomputerCHUI Ming, SHNG Li16-215Design of Experimental Platform for Signal and System Based on MATLABWANG Feng, ZHOU Chang-xiong22-246Application of Parks-McClellan Wave Filter to Single-phase Motor MonitorDING Jin-lin25-287Image Segmentation of Integrated Region and Gradient Information without InitializationYAN Ting-qin, ZHOU Chang-xiong, LIU Shu-fen29-32,798An Improved Dynamic Self-adaptive Network Security Model P2DWR2SHEN Ping-ping, ZHANG Zhen, YANG Jing-bo33-35,529Improvement of Dicing Process of Silicon Chip for Precaution Against its Disintegration in PackagePANG Ling36-3910Experimental Modal Analysis of Exhaust System of Passenger CarFANG Yong, SUN Hong-xia, LU Chun-yan40-4311Influence of NC Milling Process on Machining PrecisionLI Li-ping44-4612Injection Mold Design of Guide RingGUO Sheng, LIU Liang-rui47-4913Direct Calculation of Linear Equivalent Circuit with Power Supply and Two PolesWU Heng-yu, TANG Min-li, HE Ling50-5214Analysis of Falling-into-water Movement of Crevasse-blocking ObjectHU Duo-hai53-5715Solution of Model of Stackelberg Oligopoly Competition with Finite-playersSONG Xiao-juan58-6016Teaching Innovation and Practice of Motion Control System Based on CDIO ConceptSHANG Li61-6417Teaching Innovation of Automatic Detection TechnologyZHANG Yu65-6718Research on the Developing Strategies of the Public Sports Service System in Suzhou's Old City RegionHUANG Chen-Xi, LIU Jun68-7219Application of Principles of Dialectical Materialism to the Teaching of Pathophysiology in KinesiologyLUO Li73-7520Quality Assessment of Students in Higher Vocational Colleges Based on Health CapacityZHOU Zheng-quan76-79 