We're going to take this section by section.

我们将一段一段演奏。

So I like to go section by section and check out as much of the store as possible.

所以我喜欢逐个区域，尽可能多地参观商店。

Burt and I spent four hours going through the lab section by section, as I tried to familiarize myself with the total picture.

伯特和我花了四小时走遍实验室的每个部门，我要让自己熟悉整个过程。

Okay, and as you can see, after completing some of the initial  tasks, it starts writing your research paper section by section.

好的，如您所见，在完成一些初始任务后，它开始逐节撰写您的研究论文。