We create a NoteBook widget as child to the MainWindow and then add three tabs.

我们创建一个NoteBook窗口小部件作为MainWindow的子窗口，然后添加三个标签。

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We do this using the pageconfigure function on the enclosing NoteBook widget, passing the symbolic name of the referenced TAB as the first argument.

我们在封装标签的NoteBook窗口小部件中使用pageconfigure函数来完成这一任务，传入的第一个参数为被引用的标签的符号名。

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With the widget, you can save your favorite data in a mobile notebook and use it offline while traveling, without having to pay for roaming costs.

随着部件，您可以保存在移动笔记本您最喜爱的数据，并用它脱机旅行时，无需支付漫游费用。

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With the widget, you can save your favorite data in a mobile notebook and use it offline while traveling, without having to pay for roaming costs.

随着部件，您可以保存在移动笔记本您最喜爱的数据，并用它脱机旅行时，无需支付漫游费用。

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