“微程序”的英语？

一种混合计算机级,其指令既由操作系统解释,也直接由微程序解释.An instruction for operations at a level lower than machine instructions.微程序控制器的功能、组成知识.Micro - program controller of the function and composition of knowledge.在用毫微程序设计的计算机中, 组成毫微程序的基本语句单位....