nI 语言学导论 nII 语言学主要分支学科 nIII 语言学的流派和理论 I 语言学导论 1. design feature of language(语言的定义特征) 2. Language Families ( 世界语言分类) 3. important distinctions in linguistics ( 语言学研究中几对重要的概念) 4. scope of linguistics ( 语言学的研究范围)n n1. 1. design feature of language(语言的定义特征(语言的定义特征) defining properties of human language that distinguish it from any animal system of communication 1. design feature of language语言定义特征n n 1)Arbitrariness (任意性)n n 2)Duality( 二层性)n n 3)Creativity/Productivity( 创造性)n n 4)Displacement (移位性)n