This website design has been designed in compliance with general principles of accessible design. Navigation links in this website are grouped into five blocks:
- 1. Upper block of menu.
- 2. Upper block of links.
- 3. Menu Block.
- 4. Main content block.
- 5. Bottom block.
The following keys are set as the Access keys ( or speed keys) of this website.
- Alt+1：Upper block of menu, including main menu links.
- Alt+2：Upper block of links, including sitemap, language, and search.
- Alt+3：Main content block.
For Firefox platforms, please use Shift+Alt+(shortcut key). For example, type Shift+Alt+C to jump to content area.。