蓝色的左箭头表示传入的流程模型更改(图20)。

A blue arrow pointing left represents incoming changes to the process models (Figure 20).

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在图像区域的左边和右边有左箭头和右箭头。

To the left and right of the block of images are left and right arrows.

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旁边鼠标的滚轮，你也可以使用左箭头和右箭头键移动通过堆栈窗口。

Beside mouse's scroll wheel, you can also use the Left Arrow and Right Arrow keys to move through the stack of Windows.

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