This is a standard website for accessibility. It is more convenient to browse the text by using fast key.

The fast key (Accesskey) is designed as below:

Alt+U：Top block, containing the links to the other sections of this site.

Alt+L：Left block, containing the links to the major sections of this site.

Alt+C：Center block, providing the principal information of the page.

Alt+B：Buttom block, containing the links to the other sections of this site.