The main sample module of inner webpage was divided into three main sections. [ 1 ]Introduction link,[ 2 ]Left section link,[ 3 ]Main content link.
[The Access Keys used by this site are designated as follows ]
Alt+U：Top block, containing the links to the major sections and services of this site. Alt+L：Left block, containing the links to the sub sections of this site. Alt+C：Main content, providing the principal information of the page.
