短語詞組短語structural operational semantics 操作語義structural lexical semantics 結(jié)構(gòu)主義詞匯語義學(xué)structural semantics detail 結(jié)構(gòu)語義學(xué)semantics and structural similarity 語意與結(jié)構(gòu)相似度 返回 structural semantics