1, system technical realization: you can describe what the database is used for, what mode the interface is, whether it is traditional C/S mode or B/S mode, and what language the software is implemented in?

2, module function realization: database design, function module description. This part should be written in more detail.

3, the implementation of online help: you can roughly describe how to apply.

Let's write in three parts. Nowadays, mobile web solutions are popular. For example, the cloud can post a QR code, which is a kind of sticker attached to a book, and you can register it by scanning your mobile phone. This is also a book management system.