The origin of the examination mirror of the debating chapter: Zhang Xuecheng believes that "the origin of the examination mirror of the debating chapter" means the origin of the debate and the origin of the research; The contents of the catalogue should reflect the relevant contents of academic history and scientific classification and better serve academic research. )
Database of ancient books: 1. China Basic Ancient Books Database (China Basic Ancient Books Database was developed and produced by Beijing Airusheng Digital Technology Research Center) 2. Han and Tang Ancient Books Database Beijing Times Han and Tang Science and Technology Company 3. Chinese electronic documents in China Ancient Books Database of Academia Sinica IV. Yulong Hantang Longdaite Information Technology Company. The database of books and ancient books is a high-tech enterprise recognized by Beijing Haidian Development Zone.