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

Alt + U: Upper block, containing the links to the his site.

Alt + C: Main content area shows the content of each page.

Alt + L: Left block.

Alt + Z: Bottom block.

If your browser is Firefox, press Shift + Alt + Key to move to. For example, press "Shift + Alt + C" to move to the center of the page.

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.

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