rank structure

• 等级结构

rank structure的用法和样例：

例句

1. There is no doubt that E-mail flattens the hierarchical structure of an organization.
   毫无疑问，电子信函削弱了组织内部的等级结构。
2. The structure of city grading refers to the combinative relationship between cities of different grades in a region.
   摘要城市等级结构是指区域内不同等级城市之间的组合关系。