壹导言《方言》杂志创刊二十年来，发表了近千种方言描写的第一手材料。这些材料是研究普通语言学理论的宝贵素材。理论语言学不仅注重考察语言的共性与个性，而且注重解释两者之间的关系。这就离不开各种语言或方言之间的比较。资讯科技的发展为进行大规模语言或方言材料的比 I. INTRODUCTION Twenty years since the publication of Dialect magazine, first-hand materials written in nearly a thousand dialects have been published. These materials are valuable materials for studying general linguistic theory. Theoretical linguistics not only pays attention to examining the commonness and individuality of language, but also focuses on explaining the relationship between the two. This is inseparable from the comparison between different languages ​​or dialects. The development of information technology is the ratio of large-scale language or dialect material