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This website is based on the design principle of accessibility and uses keyboard shortcuts to strengthen the browsing convenience Layout is divided in 4 areas:

(1)Top Zone

(2) Left Side

(3) Center Zone

(4) Bottom Zone

The following keys are set as the Access keys ( or speed keys) of this website:

Alt+U(Mac: Control+Alt+U):Upper block.

Alt+L(Mac: Control+Alt+L):Left Side.

Alt+C(Mac: Control+Alt+C):Main content.

Alt+Z(Mac: Control+Alt+Z):Bottom Zone.

Alt+S(Mac: Control+Alt+S):Full text search.

If you using firefox browser set as the Access keys ( or speed keys) of this website:

Alt+Shift+U(Mac: Control+Alt+U):Upper block.

Alt+Shift+L(Mac: Control+Alt+L):Left Side.

Alt+Shift+C(Mac: Control+Alt+C):Main content.

Alt+Shift+Z(Mac: Control+Alt+Z):Bottom Zone.

Alt+Shift+S(Mac: Control+Alt+S):Full text search.


Every page on the site can be navigated via the keyboard, without any need for a mouse.

Tab :Pauses after this label, may move using the Tab key to the content page glances over this material, meets when the radio button please coordinate to use ← → or ↑↓to move the project order。

Tab + Shift :Presses Tab + Shift to be possible the round trip migration to the previous material;When moves to the label project you may continue to use ← → or↑↓to move the label order