在这些条件下，创建一个程序层次的设计，以显示系统是如何合作的。

In these cases, a program-level design is created to show how the systems collaborate.

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程序标签栏显示了系统内所安装软件的启动项。

The applications TAB displays launchers for the software installed on the system.

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例如，可能您只想显示程序系统的外部性部分。

For example, you might want to show only the external parts of a system for an application.

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