Ideological and Political Theory, English II, Mathematics II, Mechanical Principles. According to the inquiry of official website of Southwest Jiaotong University, there are textbooks of ideological and political theory, English II, Mathematics II, mechanical principles and mechanical engineering for professional degrees of Southwest Jiaotong University, also known as mechanical engineering reference books and designated bibliographies for professional degrees of Southwest Jiaotong University, which are the most important materials in the review process of testing professional courses.