底本,是古籍整理工作者的专用术语。人们在影印古籍时,往往要选定某个本子作为工作用书,这个本子就称为影印所用的底本。同时,人们在校勘古籍时,也一定要选用一个本子作为基本的工作用书,再运用各种方法对这个基本的工作用书进行校勘,这个被作为基本工作用书的本子也就是校勘所用的底 This book, is the terminology of ancient books finishing workers. When people copy ancient books, they often have to select a book as a working book, which is called the book used in photocopying. In the meantime, when people collate ancient books, they must also choose a book as a basic work book, and then use various methods to collate this basic work book. This book, which is used as a basic work book, is the end of the collation