求翻译：对于句法方法，则是选择和提取其特征，根据具体问题的性质，提出一个反映分类好坏的标准，寻找最符合这一标准的分类方法。其思想是把模式看作任意长的语句或符号串，分类的问题就变成判断所考虑是什么意思？

For the syntactic method is to select and extract its features, according to the specific nature of the problem, propose a classification of quality standards to reflect, to find the best way to meet this standard classification. The idea is to model as a statement or sign any long strings, classifi

The syntax is a process and extract their characteristics, and choose according to the specific nature of the problem and propose a classification reflect standards of good or bad, find the most consistent with the standards of classification methods. The model is considered to be arbitrary its thin

For syntactical method, is to select and extract th