The arrow keys move the robot forward, left and right.

方向键控制机器人向前、向左和向右移动。

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Another effective method is to make the arrow keys active during a drag operation.

另一个有效的方法是在拖动操作期间激活箭头键。

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Another effective method is to make the arrow keys active during a drag operation.

另一个有效的方法是在拖动操作期间激活箭头键。

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