但是实际应用环境中的数据属性维数非常多，属性概念层次也非常复杂，基于集合论的传统学习方法的效率变得越来越低。
But with the number of attribute increasing and the more and more complicated concept levels, the traditional method based on the set theory becomes lower and lower efficient.
论学习最好的学习方法是，练习，练习，再练习，不断地操练基本原理，直到精通，这也是学习的唯一方法。
The best way to study is to practice, practice and practice the fundamentals until you master it, which is also the only way.
论学习最好的学习方法是，练习，练习，再练习，不断地操练基本原理，直到精通，这也是学习的唯一方法。
The best way to study is to practice, practice and practice the fundamentals until you master it, which is also the only way.
应用推荐