contexts语境
contextn.上下文;环境;背景
context-freegrammars上下文无关文法
context framework model语境框架
context-free grammars上下文无关文法
context co-occurrence语境共现
Context aware computing上下文觉察计算
context-free backbone上下文无关主干
context-aware service上下文感知业务
context-free analysis上下文无关分析
contexts and situations语篇与情境
context-free language上下文无关语言