1, China HowNet: This database is one of the largest comprehensive literature databases in China, including dissertations, periodicals and conference papers, and supports full-text retrieval. You can search for master's and doctoral dissertations in this database, and view relevant information and full text.
2. Degree Thesis Library of Sino-Singapore Institute: This database is a degree Thesis Library established by Institute of Information Engineering, Chinese Academy of Sciences, including master's and doctoral dissertations, covering various disciplines.