Underlying the front-end parsers is a symbolic instruction set – a kind of portable assembly code – which can be translated to any of the supported machine architectures.

因为前端解析器其实是符号化指令集，这种指令集实质上是一组可移植的汇编码，能够翻译到任何支持的机器架构之上。

youdao

A program that translates microprograms in symbolic form (similar to assembly language) into bit patterns that are then loaded into the control store.

一种将符号形式(类似于汇编语言)的微程序翻译成位模式的程序，然后位模式被装入控制存储器。

youdao

A program that translates from machine language to assembly language, often to decipher existing machine language programs by generating symbolic code listings.

将机器语言翻译成汇编语言的程序，一般通过产生符号代码的清单来翻译已有的机器语言程序。

youdao

Its decision not to support the appointment has no power behind it - the mayor will go ahead anyway - but it was a symbolic early attempt to flex some muscle by Labour, who boosted their presence on the assembly from eight to 12 in the recent election.

BBC: Boris Johnson quizzed by London Assembly