shell脚本是文本文件，但是有一个重要的特征：以！
A shell script is a text file, albeit with one important distinction: The leading!
文本分类中特征空间的高维问题是文本分类的主要障碍之一。
High dimensionality is one of the main problems in text categorization.
文本的外在特征是神秘而晦涩。
最后，本文试图研究张天师传说各类文本的叙事特征。
Finally, the thesis tries to study the narrative characteristics of each type.
特征选择是文本分类的一个重要步骤。
Feature selection is an important step in text categorization.
特征选择方法的好坏直接影响文本分类的效果。
Text feature selection method can affect the effect of text classification directly.
从篇章特征看，法律文本的具有独特的文本结构。
As for character, legal text has its specific text structure.
从篇章特征看，法律文本的具有独特的文本结构。
As for character, legal text has its specific text structure.
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