1.引言19世纪的历史比较语言学取得了辉煌的成绩,给世人留下了一些经典成就,如拉斯克定律、维尔纳定律、谱系树模式,波浪圈模式、历史比较法、内部构拟法等。但是那时的语言研究大多局限于某种语系内部的讨论,主要是印欧语系的研究。后来关于语言起源的讨论成为研究的禁区,也就少有人继续研究了。不过到了20世纪一些语言学家勇敢地闯入了这个禁区(周流溪?1994;陈国华?2002:F24)。特别 1. Introduction Nineteenth-century comparative history of linguistics has made brilliant achievements, leaving some classic achievements to the world, such as Lasker’s Law, Werner’s Law, Pedigree Tree Model, Wave Circle Model, Historical Comparison Method, Internal Arithmetic, etc. . However, most of the linguistic studies at that time were confined to the discussion within one language family, mainly the Indo-European studies. Later discussion on the origin of language became a restricted area for research, and few people continued to study it. However, by the 20th century some linguists bravely broke into this restricted area (Zhou Liu-chih 1994; Chen Guo-hua 2002: F24). especially