第一个是单选按钮组的字符串标签，第二个是一个文本标签。

The first is a string label for the radio button group, and the second is a text label.

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在每个区域中，有一个或两个标记被作为节点嵌入，您可以在其中创建图表或单选按钮组。

In each region, one or two tags are embedded as the nodes where you will create a chart or radio button group.

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比方说，如果要求用户从列表中选择一项，Web浏览器可以用标准的单选按钮组来表示列表。

For example, if the user is asked to select one item from a list, a Web browser might present the list as a standard radio button group.

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