Generally speaking, the larger the bandwidth, the faster the download speed, but the download speed is not only affected by the service provider, but also by the operating system, browser and computer equipment used by users themselves, and is also closely related to the server capacity and bandwidth provided by the website you are connected to.

How to download the National Library Reference Alliance: 1, open the mobile phone WeChat app and search the National Library Reference Alliance; 2. Click on reference consultation and literature consultation; 3. Enter keywords and search immediately; 4. Select the book you need, and then click Document Delivery; 5, enter the first page to the last page, email, click on the mention; 6. After submission, the staff will send the required books to the mailbox, log in to the above mailbox and click the inbox.