文体学作为文体研究的学术原则 ,可以根据基本的文体概念产生不同的分析和解释方法；决定不同的文体称谓。我们常用的文体手段这个概念 ,是指最基本的单个文体变异手段在运用中的文体价值 ,也就是超出词义———语法作用之外的作用成分。每一个文体手段的文体价值不是绝对的 , Stylistics, as the academic principle of stylistic studies, can produce different methods of analysis and interpretation according to the basic stylistic concepts and decide on different stylistic appellations. The concept of stylistic means that we commonly use refers to the stylistic value of using the most basic single stylistic variation means, that is to say, beyond the meaning of the word --- the role of grammar. The stylistic value of each stylistic means is not absolute,