The comprehensive application and development of multimedia technology and network technology in education is a research hotspot for a long time now and for a long time. Mechanical design is an important technical basic course for mechanical and related majors in colleges and universities. It is practical and comprehensive. This paper takes mechanical design teaching as the starting point, designs and develops a multimedia network education platform that meets the mechanical design teaching of colleges and universities. The platform fully utilizes the comprehensive advantages of streaming media technology, WebRTC technology and Web mining technology to enable teachers and students to attend classes and communicate remotely online. Through the comparative experiments on the classes of Chengnan College, the results show that with the platform teaching, the students' motivation for learning in the mechanical design discipline is enhanced, the learning investment is increased, and the teachers are satisfied with the classroom atmosphere and teaching effects. This shows that the platform can improve the teaching effect.

The key to agricultural modernization and environmental protection and green development depends on the progress of agricultural science and technology and the cultivation of new professional farmers. The cultivation of new professional farmers is the reality and future of modern green agriculture. The 19th National Congress of the Communist Party of China proposed a strategy for rural revitalization, which is the general plan for the work of “agriculture, rural areas and farmers” in the new period. Vigorously cultivating new-type professional farmers is a basic requirement for implementing the strategy of promoting agriculture through science and education and realizing agriculture and rural modernization. This article takes Jilin Province as a case, and on the basis of combing related research results, referring to the analytic hierarchy process and multiple regression analysis, analyses the causes of the formation of new professional farmers from multiple perspectives, and then analyses Jilin under the strategy of green agriculture through science and education The logical path for the cultivation of new-type professional farmers in the province proposes to adhere to the road of cultivation of new-type professional farmers that is “endogenous-led and exogenous-driven”.

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