Howard Pattee, an early cybernetician, defined hierarchical structure as a spectrum of connectance. 早期的控制论专家霍华德·派蒂将层次结构定义为一个连接性频谱。
Basin floors generated at different times will exhibit a hierarchical sequence of crustal structure and epeirogenic behaviour. 不同时期生成的盆地底板,将显示地壳构造的等级次序和造陆性质。
The control system is a kind of hierarchical control system,which is composed of teach box,main microcomputer and hypogenous microcomputers. 控制系统采用模块化、分布式多级单片机控制方式,分为示教盒、主机、下位机三级。
A hierarchy (from the Greek ἱεραρχία hierarchia, "rule of a high priest", from ἱεράρχης hierarkhes, "leader of sacred rites") is an arrangement of items (objects, names, values, categories, etc.) in which the items are represented as being "above," "below," or "at the same level as" one another.