2. Must meet the requirements of publishing papers? Mechanics: published 3 journal papers. Among them, there are at least 1 articles in class A, at least 1 articles in class B, at least 1 articles in class C, or 3 articles in class C; ? Civil engineering discipline: published 3 periodical papers. Among them, at least 1 B journal paper or 2 C journal papers; ? Engineering management discipline: published 3 periodical papers. Among them, there are at least 1 B periodical papers, or 2 C periodical papers, or 1 SSCI (Social Science Citation Index) periodical papers. ? Of the three papers published in the above disciplines, at least 1 was published in foreign journals included in SCI or SSCI. Conference papers and supplementary papers do not count.