制造的部件的目标机器名称—由分类符号M表示。

Machine name for which the part is manufactured - Donated by classification symbol m.

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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。

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.

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在大多数机器上，该地址是绝对地址；对于STAB，该地址相是对于出现N_SLINE符号的函数的相对地址。

On most machines the address is absolute; for STABs in sections it is relative to the function in which the N_SLINE symbol occurs.

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We know machines can manipulate symbols.

我们知道机器可以处理符号

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