1. View the course outline or introduction: before selecting a course, the course outline or introduction will be provided, including the course name, teaching content and teacher information. By reading the course outline or introduction, we can know the subject field to which the course belongs, so as to judge whether it belongs to science and engineering.
2. Ask the teacher or senior sister: You can ask the teacher or senior sister about the subject of the course, and the other party will give a clear answer to help you understand whether the course belongs to science and engineering.