This website is built on the principle of accessible web design. The main content of the website is divided into four major blocks:
1. Upper function block, 2. Left navigation block, 3. Central content block, 4. Right related link block.
The quick key [Accesskey] of this website is set as follows:
Alt+U:The above navigation link area, which lists the main links of this website.
Alt+C:The central content block is the main content area of this page.
Alt+Z:End of page information.