来自《耶鲁大学开放课程：新生有机化学 第3集 第3集》

• 
  
  So three distances plus energy,
  这样 三个距离加上能量
• 
  
  or two distances and an angle and energy you need to plot.
  或是两个距离和一个角度还有能量
• 
  
  So if you're good at plotting things
  如果你对画图很在行
• 
  
  and have had a lot of experience,
  或是很有经验
• 
  
  great,
  那很棒
• 
  
  but if you need a little warm-up exercise
  但如果你需要练习一下热热身
• 
  
  you could look at this webpage
  可以看看这个网页
• 
  
  that you get by clicking up at the top there,
  点击这里的网站就能找到
• 
  
  and it uses these graphs to give you
  这些图表
• 
  
  a little exercise in plotting things that are in many dimensions.
  可以给你一些多维绘图方面的小练习
• 
  
  But we're not going to do that in class,
  但我们没打算在课堂上做这些
• 
  
  that's just to do on your own or with a discussion section.
  只是让你自己做或在讨论课时练习