(1) graduated from university, engaged in professional work for more than ten years, and held intermediate titles and positions for more than five years.
(2) graduated from a college, engaged in professional and technical work for more than fifteen years, and served as an intermediate title and position for more than five years.
(3) graduated from secondary school or high school, engaged in professional and technical work for more than 20 years, and served as an intermediate title and position for more than five years.
(4) In addition to meeting one of the appeal conditions, it is also necessary to publish a paper, pass the defense, and pass the English and computer exams.