Professional core courses (you must pass all the exams, but you can't make up the exams) required credits (you can make up the exams) entrepreneurship credits (you can pass the preliminary contest of entrepreneurship competition) farm labor hours (the bottom line seems to be 60) elective credits (6-8 points, and you have to pay extra if you exceed 8 points. . . ) Thesis credits (with 2 chances to reply) or above are credits, and all of them are eligible to issue diplomas and degree certificates.