The lower portion consists of two table-like graphical widgets (Pages and Outputs), which allow you to define input and output parameters.

下部包含了两个表状的图形部件(Pages和Out puts)，它们允许您定义输入和输出参数。

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You can map operations and input and output messages between a set of interfaces through a drag-and-drop, graphical mechanism using the interface mapping editor.

使用接口映射编辑器，可以通过图形机制并通过拖放操作在一组接口之间映射操作和输入与输出消息。

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