除了你开发的软件用户手册以外，模型几乎是可以在软件被交付后还可以继续被引用和维护的产物。

Except for the software user manuals you may develop, the model is the most likely artifact to continue to be referenced and maintained after the software is delivered.

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lex和yacc的GNU版本是flex和bison，与所有的GNU软件一样，它们也都有非常好的文档，包括各种格式的完全用户手册。

The GNU versions of lex and yacc are flex and bison and, as with all things GNU, have excellent documentation including complete user manuals in a variety of formats.

youdao

普3130诊断码扫描器，的obd电脑连接软件，电缆，仓库的情况，用户手册。

Equus 3130 diagnostic code scanner, OBD - PC link software, cables, storage case, and user's manual.

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