This site in accordance with the principles of barrier-free web design and build, the main kind of Web site content is divided into three major blocks: 1) Navigation and links, 2) Content and3) Relevant information
Easy button on this website (Accesskey, also known as anchor)
settings are as follows:
Go to "Navigation and links", which lists all the major links of the website.
the middle region, this block shows the contents of the web page.
the left region, including the units of this block under the floor of their links with other relevant information.