Chapter one examines the internal formation of the special phrase and concludes that N stands for dissyllable attribute nouns,which are all abstract;A is monosyllable adjective,which have semantic characteristics of quantity.
第一章分析了该类短语的内部构成,考察了该类短语中形容词和名词的表现、语义特征和二者的组合情况,得出该类短语中形容词是具有+模糊性、-定量性语义特征的单音节典型形容词,名词主要是具有+量、+弱性质义、-空间性的双音节抽象属性名词。
参考来源 - 现代汉语加词性“AN（名词） a word of two syllables 双音节词 [grammar]