n. [计]分层,层次;等级制度;统治集团;天使的级别或等级
网络 层级; 阶层; 层次结构
Like most other American companies with a rigid hierarchy, workers and managers had strictly defined duties.
像大多数其他等级制度森严的美国公司一样,工人和管理人员都有严格界定的职责。
Such a hierarchy may also exist in plants.
这种等级结构也可能存在于植物中。
A hierarchy forms.
层级结构形成了。
In other words, there is a hierarchy of hormones.
换句话说,荷尔蒙是有层次的。
What follows is the top level of this hierarchy of needs.
紧接着的是需求等级中的最高等级。