Chapter one mainly introduces the connotation, theoretical fundamentals of instructional application and instructional functions of concept map, and presents some concept mapping tools.
第一章主要介绍了概念地图内涵，教学应用的理论基础，教学功能及编制工具。
Therefore some related application principles and instructional tactics should be known to use these resources rationally and effectively.
必须明确一些有关的应用原则和指导策略，才能合理而有效地使用这些资源。
It plays an instructional role in academic study and practical application of KNN text classification algorithm.
对KNN文本分类算法的理论研究和实际应用起了指导作用。
应用推荐