文章分析了垃圾的本质特征及垃圾功能转移的瓶颈——垃圾分类问题。
It expounds the essential earmark of garbage and the limitation of garbage function transformation:garbage classification.
垃圾分类是个大问题，因为现在垃圾太多了。
Garbage sorting is a big problem because there is too much garbage these days.
本文主要研究了基于内容的垃圾短信过滤，它可以看成是一个不规则短文本的分类问题。
In this thesis, the main research is content-based junk short messages filtering which can be treated as irregular short text classification problem.
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