1. The staff of the collection and editing center have entered the books into the computer, but have not finished the post-production of the books (bar code, collection seal and needle) or have finished the post-production of the books but have not dialed them into the reading room. You can't borrow books at this time. You can only borrow substitute books after they are put on the shelves.

This book is misplaced. Please look for it on the shelf or ask the staff in the reading room.

The reader is reading this book in the reading room. At this time, you need to wait for the reader to finish reading the book and the staff can borrow it after it is put on the shelves.

The reader has returned the book, but it hasn't been put on the shelves yet. You need to wait for the staff to put it on the shelf before you can borrow it.

The books in the picture show that there is a book in the literature history reading room on the second floor that has been borrowed by readers, and there is a book in the China Library on the fourth floor. You can borrow it with the joint reader card of Beijing Public Library, and fill in the borrowing form in the reading room of philosophy and social sciences on the fourth floor. You can only read the books of China Library in the library reading area of the reading room of philosophy and social sciences on the fourth floor, and you can't check them out.