The first degree refers to the degree of full-time teaching, such as passing the college entrance examination, and the second degree refers to the degree different from the first degree or the degree obtained through the national self-study examination.

Extended information ① Education refers to people's learning experience of receiving scientific and cultural knowledge training in educational institutions. At what level of educational institutions and training, a person has a corresponding education level.

② Undergraduate refers to full-time undergraduate graduates. Compared with junior college, undergraduate pays more attention to general education in theory than to applied professional education and practical skills. Ordinary students can get an undergraduate diploma and a "bachelor's degree certificate" after graduation. A few people only have a bachelor's degree certificate, not a bachelor's degree certificate, which is different from junior college students, master students and doctoral students.