Turns out this user's manual, just like a typical book, has multiple sections or chapters and Chapter One is generally about programs.

结果这个用户手册，就像一个特定名册，有好多章节,第一章大概是关于程序的。

哈佛公开课 - 计算机科学课程节选

In Genesis, humans are important; in Genesis 1 humans are important.

在《创世纪》中，人是重要的，第一章中就说人是重要的。

耶鲁公开课 - 旧约导论课程节选

If you looked on the classes server you saw Chapter 1, and Chapter 1 describes some of the sort or organization of Biomedical Engineering into sub-disciplines, which I've listed here.

如果你上过班级服务器就会看到第一章,第一章介绍了生物医学工程的,若干亚学科 像这里列出的这样

耶鲁公开课 - 生物医学工程探索课程节选