Books bar code printed of back cover of books and International Standard book Number (ISBN) of the books published formally have close relations.

正式出版的图书封底所印制的图书条形码与图书的国际标准书号(ISBN)有着密切的关系。

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Book bar code scanning and automatic data transfer functions can realize the registration and write-off of the borrowed books, which can be completed by the clients independently.

书籍条形码扫描及自动数据传输功能，实现图书的借阅登记注销等功能，由用户自主完成。

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