Click the right arrow key to step back through past events.

单击向右箭头键查看历史事件。

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The RIGHT ARROW key: Scrolls content one line to the right.

向右键：将内容向右滚动一行。

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Or you can use the space bar or the left and right arrow keys to move the highlight, and then press the return key.

或者使用空格键或左右箭头移动高亮显示的选项，并按回车键。

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Below it, you'll see a physical home button flanked by a menu key on the left and back arrow on the right.

ENGADGET: Samsung Galaxy Note II for T-Mobile review Mobile