集合具有一些您可以添加、移除、更新和删除的成员项。
Collections have member items that you can add, remove, update and delete.
第 1 部分向您显示了如何安装一个基本的应用程序，在这个应用程序里面，终端用户可以查看属性，并且管理员可以添加、移除和更新属性。
Part 1 showed you how to set up a basic application in which an end user could view properties, and the administrator could add, remove, and update properties.
显示的对话框(图43)使您可以添加、移除后续屏幕，以及修改屏幕的顺序。
The dialog that displays (Figure 43) will enable you to add, remove, and modify the order of the next screens.
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