This website is designed in accordance with the principle of "barrier-free web development guidelines", and provides web registration points (::), Access Key and other design methods in accordance with the guidelines of barrier-free web design. The following is the website using keyboard fast Key (Access Key) operation：

• Alt + U : Links to related functions at the top of the site are located at the top of the site. This block lists the language version options and the main cell link options.
• Alt + C: Main content area, located in the center of the site. Contains the name of the unit and presents the main information.
• Alt + R: Right information area, located on the right of this site. Contains search function, most popular information and latest information.
• Alt + B: Footer information area.