The examiners will specifically review the applicant’s papers. Based on the search for relevant public information, the examiner will conduct a patent and non-patent literature database search on the applicant's papers using a computer search system. The patent document database mainly includes: patent abstract database, patent full-text database, patent classification database, etc. Non-patent documents available in computer retrieval systems and the Internet mainly include: domestic and foreign scientific and technological books, journals, theses, standards/protocols, indexing tools and manuals, etc.