来自《耶鲁大学开放课程：新生有机化学 第4集 第4集》

• 
  
  But if you come to a ledge, unlike a crystal ,
  但如果检测的是表面的凸起 不像晶体
• 
  
  it would be going at a certain height, touching a bunch,
  探针会移动到一特定高度与一群原子接触
• 
  
  and then it would move up and touch a bunch more,
  随后向上移与另一群原子接触
• 
  
  and you'd be able to tell if it went up and down,
  你能够辨别它是否上下移动
• 
  
  if that distance was only one molecule; easy.
  只要那距离在单个分子尺寸就很容易辨别
• 
  
  Here's, in fact, a picture taken by an undergraduate.
  这是一张由本科生完成的图像
• 
  
  In fact, it's a movie. So it's AFM traces.
  实际上是一部AFM跟踪记录的影像
• 
  
  So what you do, it's like a TV
  就像电视一样
• 
  
  where you go zoom, zoom, zoom, zoom, zoom, zoom, zoom, zoom,
  镜头不断来回移动
• 
  
  and then you go back to the top,
  然后又回到上端
• 
  
  zoom, zoom, zoom, zoom, zoom,
  继续来回移动
• 
  
  say how high it is at every point along the scan,
  随着扫描观察每一点的高度