represent by

• The complicated system maybe represented by a simplified conceptual model .
  简化的理想模型可代替复杂的系统。
• All planar structures are represented by a strike line and dip angle .
  一切面状构造均可用向线和倾斜角来表示。
• This is called a rarefaction and is represented by widely spaced dots .
  这个区域称为稀疏区，并用疏散的小点表示。
• According to the normal practice, the genes will be represented by letters .
  根据一般的惯例，基因是用字母来表示的。
• Special adaptations are represented by the ballistic devices of the autochors .
  特殊适应是以自播植物的弹射为代表的。
• Such a region is called a condensation and is represented by closely spaced dots .
  这区域称为稠密区，并用密集的小点表示。
• The work during any displacement is represented by the area under this curve .
  在任一位移过程中所做的功，由这曲线下的面积来表示。
• The credit a bank offers is represented by its acceptance of demand and time deposits .
  银行提供的信用体现在活期存款和定期存款上。
• Special adaptations are represented by the swim and protective gear of the hydrochors .
  特殊适应是以水播植物的漂浮和保护机制为代表的。
• The "mark" or "space" condition is represented by the voltage between two wires .
  “传号”或“空号”条件是由两条线之间的电压来表示的。