This was a book on a topic called "Motif Programming", which is a system you used for creating graphical user interfaces on UNIX machines 10 years ago.

这是一本名为《Motif Programming》的书，里面介绍了十年前的一种系统，你可以用它在unix机器上创建图形用户界面。

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Any book on user interface design must discuss Windows (with a lowercase w), a hallmark of the modern graphical user interface.

任何有关用户界面设计的书都会讨论窗口，它是现代图形用户界面的一个标志。

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In addition, the book contains a computer program with a graphical user interface that allows the reader to experiment with a number of key concepts developed by the authors.

另外，书用允许读者做那些作者开发的许多核心概念试验的一个图形用户界面包含一个计算机程序。

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