Starting from standard of classification, with analogy method, the paper discusses the Imitation of Dewey Decimal Classification and Relative Index was the first classification in China.
文中从文献分类法的标准入手，采用类比法，简述了《仿杜威十进分类法》才是我国真正意义上的首部文献分类。
The problems of classification of karstic water qualities are solved by using statistical method of projection trace herein under the condition of a given projection index.
在一个给定的投影指标情形下，利用投影寻踪统计方法解决岩溶水水质分类问题。
Preliminary discussion on the standards for classification of 1-year nursery stuck of Tectona grandis L. is conducted with the method of gradual cluster analysis and relevant quality index collection.
通过相关分析进行质量指标提取，采用逐步聚类分析方法，对柚木1年生苗木分级标准进行了初步探讨。
应用推荐