program level diagram

例句：

1. 1.The program level diagram helps us understand the architecture of the software system.
   程序级别图帮助我们理解软件系统的架构。
2. 2. The programmers used a program level diagram to design the user interface.
   程序员使用程序级别图设计用户界面。
3. 3.The engineers used the program level diagram to document the changes made during the development process.
   工程师们使用程序级别图记录开发过程中所做的更改。