hierarchical control system meaning in English

等级控制系统
分级控制系统

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。
The control system is a kind of hierarchical control system , which is composed of epigynous operation computer which is used of pc computer , hypogenous operation computer which is used of 89c51 single - chip
三指灵巧手的控制系统采用分级控制，上位机由pc机担任，下位机选用89c51单片机。