reference transparency meaning in English

引用透明性

Lfc is yet another functional programming language which has many characteristics , such as good mathematics basis , reference transparency , no side effect , pattern matching , etc . in theory , an algorithm of enumerating sentences of cfg is presented
本文工作主要是研究形式规约语言lfc的实现和应用，另外还包括一个上下文无关语言句子枚举算法。在理论方面，提出了一个上下文无关语言句子枚举算法。