数字计算机借此把高级语言编写的程序中的指令翻译成与其等价的机器语言程序的处理过程。

The process whereby a digital computer translates the instructions of a program written in a high-level language into their machine language equivalents.

一种处理过程，其间由控制器将一条指令分解成为它的执行所必须的微码操作。

A procedure in which an instruction is broken down into the microcode operations necessary for its execution by a control unit.