本文以认知语言学“典型理论”为指导 ,对俄语句法中争议颇多的同等谓语句进行了剖析 ,指出同等谓语句具有复合句的基本属性———多述谓性 ,这是一个表示并列语义关系的复合句 ,但与非同一主语句相比 ,其范畴特征减弱 ,所以它应是复合句范畴里的非典型成员。 Guided by the “typical theory” of cognitive linguistics, this dissertation analyzes a number of controversial equivalent predicates in Russian syntax, and points out that the equivalent predicate has the basic property of compound sentence --- multiple predicate, which is a representation Complicated sentences of parallel semantic relations, but their category features are weaker than the same main sentence, so it should be an atypical member in the category of compound sentences.