1. The research and development work of precision instruments mainly involves the research and development of environmental online monitoring equipment, as well as the research and development of automated and intelligent environmental inspection and testing equipment. Major requirements: instrument science, electronic information, control engineering, artificial intelligence, automation, computer technology, software engineering, communication engineering, mechanical and electronic engineering, etc. 2. Software platform development work content: online monitoring software platform development and laboratory management system development. Professional requirements include computer science and technology, software engineering, artificial intelligence, big data, etc. 3. Environmental consulting and technical cooperation work mainly involves consulting and research and development work in water ecological governance, soil remediation, air pollution prevention and control, etc. Professional requirements include environmental, ecological, soil, hydrology and water resources, chemistry, and other related majors.