main area sections的意思|示意

Lets take a look at various pieces of Amazon's recommendation system to get an insight on how they work. Here are the sections that are shown in the main area of my Amazon account when I login.

让我们看看亚马逊推荐系统的各个模块，来了解他们到底是怎么工作的。

Once one of the sections is clicked, the main content area slides vertically - first the background image, then the content.

一旦其中一个区段被点击，主要内容区幻灯片垂直滑动为当前栏目的第一张背景图片和内容。

One of the main restriction factors is that the geological conditions are complicated and it is difficult to acquire good seismic sections in this area.

该区地质条件复杂，难以获得较好的地震剖面是主要制约因素之一。