1. Book catalog query, which is the main content of display reading service.

2. Document delivery service, which is another feature of exhibition reading service. Show-reading service can provide readers with up to 50 pages of original text. The reader first selects the required page according to the displayed directory page and submits the demand information. The original text is sent to the reader's mailbox by e-mail, and the validity of the original text sent each time can reach 20 days. During this period, readers can browse at any time, but not more than 20 times.

3. Bibliographic query, which provides search by title, author and all fields (title, author, subject, ISBN, year).

The characteristic function of reading is as follows

1. Search for resources-Search for academic resources quickly and accurately by reading and displaying in-depth search.

Reading Show combines the advanced retrieval technology in the industry, breaks through the simple metadata retrieval mode in the past, realizes content-based retrieval, and makes the retrieval go deep into chapters and full texts. With the in-depth retrieval of reading show, readers can get in-depth, accurate and comprehensive literature information in a short time.

2, access to resources-reading display for readers to integrate academic materials, and provide a variety of ways to read and access resources.

The integration of the massive resources of reading show and the resources of user library not only creates a resource pool for users, but also provides users with a variety of shortcuts to acquire massive resources, which meets the needs of readers to acquire knowledge quickly.

Trial reading function: trying to read part of the original text provided by the program will reveal the content of the document more comprehensively and help readers choose the material.

3. Customize special functions to meet the management needs of users and the reading needs of readers.

Traffic statistics system: reading volume, click volume, classified statistics, pie chart, bar chart, trend chart and other functions.

Book recommendation system: recommend the purchase of paper books, e-books and book recommendation ranking statistics.

Book sharing system: inter-library mutual knowledge of books and bibliographies, online bookstore purchase, contact with publishing houses and other functions.