(of ancient books) the best edition.
People who are good at collecting books often look up the ordinary edition with good books, and record them in detail in the ordinary edition when they find mistakes or differences.
School books
Refers to the internal information of the school, which is organized by itself and generally kept confidential. Such as "school-based exercises" and "school-based textbooks".
School-based curriculum
School-based curriculum refers to a part of the national basic education curriculum implementation plan. While carrying out national and local courses, schools should develop or choose suitable courses according to the specific situation of local social and economic development, combined with their own traditions and advantages, and students' interests and needs.