Moves the selected heading, and the text below the heading, down one heading position in the Navigator and in the document. To move only the selected heading and not the text associated with the heading, hold down Ctrl, and then click this icon.
将选定的标题和标题下面的文字在助手和文档中下移一个标题位置。要只移动选定的标题，而不移动与之关联的文字，请按住 Ctrl 键，然后单击此图标。