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Sitemap
The main content of this website built according to the principles of accessible web design is divided into four major blocks
1.Upper functional block
2.Navigation block on the left
3.Central content block
4.Related link blocks on the right
The shortcut keys of this website ﹝Accesskey﹞ are set as follows
Alt+U：Navigation link area above, this block lists the main links to this website
Alt+C：Central content block, the main content area of this page
Alt+Z：Footer website information
Alt+S：Website search