中文摘要：

序数语法表达式是利用语法手段来表达序数的语言形式,具有数量性、对比性、序列性、表序手段的语法性等必有语义特征。必有语义特征内部存在细微差异,数量性包括数量实指、数量虚指、数量无指,对比性包括单比性与通比性、单体性与多体性等,序列性存在强弱差异。

英文摘要：

The grammatical ordinal expression is one structure using grammatical means tn express the ordinal, and it has necessary semantic features such as quantity, contrast, sequentiatity and grammaticality of ordinal means. There are differences in necessary semantic features, for example, the quantity includes actual, imaginary and non-numerical reference, the contrast includes one-to-one or one-to-many comparison, individual or collective comparison, and there are differents in the strength of sequentiality.