This website is established upon the principle of barrier-free website design, and the primary content of its website lay is constructed in 4 major blocks :
(1) Top Function Block。(2) Left Guiding Block。(3) Center Content Block。 (4) Right Related-links Block。
Access keys on this website are programmed as follow:
Alt+U:Top Functionock,including Back to homepage, Website guiding, Website searching, Typeface choosing and Version selecting。
Alt+C:Center Content Block,This area displays the website content of each website。
Alt+S:Search for information in this website。