Period of trial use：from Mar. 7, 2019 to Jul. 31,2019
It mainly integrates data of Daoj, GoOA and OADT, as well as open journal data of high academic value such as EBSCO, IOP and Arxiv.It provides nearly 10 million articles such as journal,thesis, e-books, reports, art pictures, preprints, patents, etc. which can be a one-stop search, mainly in English, involving more than 20 languages. In the future, the number of platforms will continue to increase while enriching various types of resources, such as foreign public courses, to meet the demand of different users for literature data.