The main courses of the five-year (3+2) vocational class jointly organized by Environmental Monitoring and Governance Technology and Tianjin Modern Vocational and Technical College: basic computer application, inorganic chemistry, organic chemistry, analytical chemistry, mechanical drawing, Physical chemistry, electrical and electronics, chemical engineering principles, environmental microorganisms, environmental monitoring, water pollution control engineering, air pollution control engineering mechatronics and Tianjin Modern Vocational and Technical College. Main courses of the five-year (3+2) higher vocational class: Computer Application foundation, mechanical drawing, electrician foundation, electronic technology foundation, factory electrical control technology, interchangeability and technical measurement, mechanical design foundation, motor and electrical transmission, mechanical manufacturing technology foundation CNC technology application main courses: mechanical drawing and CAD, machinery Fundamentals, electrical technology foundation, electronic technology and application, electrical control technology, microcomputer principles and applications, CNC equipment installation and debugging, CNC equipment maintenance, CNC machine tools and programming, CNC processing technology, computer application basics, housekeeping and community services. Main courses: Society Basics of science, basics of family ethics, social investigation, introduction to administration, home economics, basics of public relations, family health and nursing, household appliance care and maintenance, community services and management, basics of economics, basics of social psychology, Marriage and family, computer applications