tree diagram

美 
英 
  • n.(表示层级关系的)树形图
  • 网络树状图;树图;树形图的设计者
复数:tree diagrams  
tree diagram
n.
1.
(表示层级关系的)树形图a diagram with lines that divide more and more as you move to lower levels to show the relationships between processes, people etc.