But that is just what scientists are planning to do deep below the Black Hills in South Dakota.

VOA: special.2009.07.21

and most importantly, deep resolution, so we can go below the cortex, where other methods like PET that have better spatial temporal resolutions can't and see what's going on in these deep circles of the brain and this is very exciting,for many people, many of the advances have occurred of the last 10 years, I'm just gonna talk about a few of them today.

而且最重要的是，深层解析度，这样我们就能深入皮质以下，而这些地方其他,拥有更好空间解析度的方法如PET所不能达到的,从而看到大脑深处发生的了什么事情,这让很多人觉得非常激动，大部分技术上的进步发生在过去10年，今天我会将其中几种。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Or it may still exist deep below the surface.

VOA: special.2009.12.30

These lay deep below the surface of the Earth.

VOA: special.2009.03.04

This is how she described what she could see from that house on a hill: "The far-off mountains in all their grandeur, and the deep valleys, and widely extended plains, and more than all, that little village below, containing only a very few white houses, but more than those young eyes had ever seen."

VOA: special.2010.06.27