Accesskey
This website is constructed depending on the (accessible webpage) design principle and composed of four parts: the linking areas of the navigation, Left area: main menu, main content areas and other related areas.The accesskeys of this website as follows:

(1)　Alt + U：Navigating area link
(2)　Alt + L：Left area: there is main menu at main page and secondary menu at other pages.
(3)　Alt + C：Center area with main contents
(4)　Alt + R：Back to the other related areas