1.a phonological feature that is contrastive in one language but not in another.
一个语言里是对比的韵学特征,在另一个语言就不再是
2.DSS has two features.Firstly, syntax system/lexical system are different source and phonotactics structure/phonological element are different sources.
3.Then, syllabary of homophones is made to give detail materials for understanding phonetic structure of Dongping dialect.The third part is phonological characteristics.