软件设计着重介绍了系统的结构化模块与功能。

The function and structure of the system are introduced in the software design.

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系统软件包括上位机系统软件和下位机系统软件，软件的设计采用结构化模块设计方法。

The system software included upper computer system software and lower computer system software. Method of structural module was adopted in the design of the system software.

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并且，Rexx当然是完全Turing的，支持模块和结构化编程，有面向专门任务的库，例如GUI接口、网络编程和数据库访问。

And Rexx is certainly Turing-complete, enables modules and structured programming, and has libraries for tasks such as GUI interfaces, network programming, and database access.

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