图2中的每个矩形表示流程的一个步骤。

Each rectangle in Figure 2 represents one step of the process.

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在图3中，每个矩形都划分为两个隔间。

In Figure 3, each rectangular box has two compartments.

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图1中包含了三个这样的矩形。

Figure 1 contains three such rectangles.

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图1中包含了三个这样的矩形。

Figure 1 contains three such rectangles.

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