The study status of dry classificationtheory of ultra-fine powder was reviewed, and the trend of ultrafine powder classification was prospected.
综述了超细粉体干法分级的理论研究现状，并对超细粉体分级的发展趋势进行了展望。
2
Our work inspired from previous work, exploiting fuzzy classificationtheory to improve the process of feature quantification, is implementing a small image search system.
我们的工作在前人的基础上利用模糊分类理论，改进了特征量化的过程，实现了一个小型的图片搜索系统。
3
The first part focuses on the Shuo Yuan's items and the classificationtheory. In the course of generation handing down, great changes have taken place in the original text.