查重是图书馆的日常工作之一。采购部门为避免同一图书不必要的重复订购要查重;而分编部门为了避免先后到馆的复本书的重复分编,为使连续出版物及多版次图书分编保持前后一致,也要查重。否则就会使同一书因收到先后不同而出现分 Check is one of the library’s daily work. Procurement department to avoid duplication of unnecessary duplication of the same book to check the weight; and sub-coding departments in order to avoid duplication of duplicate copies of the library to the Museum, in order to make continuous publications and multiple copies of the book to maintain consistent before and after, but also To check heavy. Otherwise it will make the same book because of the different received points appear