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This website has been designed in compliance with general principles of accessible design:(1)The website features accesskeys (:::) that visitors can use to jump to the main sections of the site. (2)All images on the website are tagged with descriptive text. and (3)Every page on the site can be navigated via the keyboard, without any need for a mouse. The accesskeys, also known as shortcut keys, are defined as follows:
Alt+U：Top block
Alt+C：Main content.
Alt+Z：Bottom block.
