1 and A 1 periodicals include: domestic and foreign science and engineering periodicals of Q 1 and Q2 collected by SCI, SCI and A&; Papers in humanities and social sciences journals at home and abroad and three kinds of papers in humanities and social sciences journals included in HCI.

2.A2 journals include: Q3 and Q4 journals of science and engineering at home and abroad included in SCI, and 18 journals of humanities and social sciences.