This website is established upon the principle of barrier-free website design,the website is based on the design principle of accessibility and uses keyboard shortcuts to strengthen the browsing convenience,
and the primary content of its website lay is found in 3 major categories :
The Access Keys used by this site are designated as follows:
- ALT+U：quick menu, accesskey is on the upper right. Home, Sitemap and Languages can all be found.
Navigation, containing the links to the major sections of this site.
- ALT+L：Related content, containing the links to the pages of the next level and the other relevant information.
- ALT+C：Main content, providing the principal information of the page.