hierarchy

层级；等级制度英释nna system of organization in which people or things are divided into levels of importance

1 social hierarchy,社会等级；社会阶层

2 hierarchy system,体系；分级系统

3 inheritance hierarchy,继承层次；继承体系；继承阶层架构

4 hierarchy of needs,需要层次；需求层次理论

5 knowledge hierarchy,知识体系

6 hierarchy of needs theory,需要层次理论；需要阶梯理论

7 object hierarchy,对象阶层架构；对象层次结构

8 feudal hierarchy,封建等级制度

1 a rigid social hierarchy.严格的社会等级制度

2 She worked her way up through the corporate hierarchy to become president..她在公司一步一步升到了总裁的位置。