The Trinity Teaching Mode of Wisdom Tree, Tencent Classroom and QQ Group—Online Teaching Practice

At the beginning of 2020, a sudden outbreak of COVID-19 forced us to take online teaching methods in engineering mechanics courses. The design details of the course and the trinity teaching mode of Wisdom Tree, Tecent Classroom, and QQ group were introduced in this paper. Also, the assessment method and score analysis was given. Finally, according to the course report provided by the Wisdom Tree, the online open course of engineering mechanics was explained.