1, basic courses: basic courses that need knowledge in your major, such as advanced mathematics, should belong to this category (basically the basis of your major, just like literacy is the basis of learning);

2, professional basic course, is the primary course of related majors, let you know some basic knowledge of your major, which is equivalent to an introductory course (your learning of professional knowledge is a process from easy to difficult, gradually deepening professionalism);

3. Public * * * courses: that is, in universities, according to the training objectives of related majors, the courses to be studied are stipulated (some courses are of little use), advanced mathematics, college physics, English, ideological and political education and so on.

4. Specialized courses: courses such as principles, engineering and technology designed by related majors. Only through the study of specialized courses can we have a deep understanding of the theoretical engineering technology of this major and master certain skills to prepare for future work.