Research on practice of online and offline mixed teaching based on wisdom tree platform — taking course of “principles of electrical appliances” as an example

In the special period, all colleges and universities are actively carrying out online and offline hybrid teaching reform with information cloud platform teaching as the carrier to improve teaching quality. This paper takes the wisdom tree as the platform and the course of “principles of electrical appliances” as an example and discusses the mixed teaching from three stages: before class, in class and after class. The practical effect shows that hybrid teaching can improve students’ initiative and inquiry, effectively improve the quality of education and teaching, and further promote the teaching reform.