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This website is designed following the principles of the “Web Accessibility Standards”. The web route for the blind (:::), the site navigator, and the access key, among others, are designed accordingly.

The website mainly consists of four blocks:

1. Features on the top, 2. Contents in the center, 3. Navigator on the right, 4. Menu links at the bottom.

The following shows how the access key on the keyboard may be used on this website:

Alt+U: The features block on the upper right corner includes the site navigator, the menu, and the font size adjustment.

Alt+R: The navigator block on the right offers links to related articles on this page.

Alt+C: The main information for this page is in the center content block.

Alt+B: The features block at the bottom includes quick links, related approaches, and declarations on the website, among others.