您要查找的是不是：
- 基于Rough集实现判定树归纳分类算法的简化 Rough set based to simplify the decision tree class algorithm
- Rough集理论代数与信息论观点的关系研究 On the Relationship Between the Algebra View and Information View of Rough Set Theory
- 合集 union
- 分集 diversity
- 集群 colony
- 基于Rough集理论的海军舰船招标工程评价 Evaluation of the Sea Warship Bid Engineering Based on Rough Set Theory
- 集线器 hub (network)
- 歌集 songbook
- Rough集理论在数据挖掘中的应用及其推广 The Application and Its Extension of the Theory of Rough Set in Data Mining
- 并集 union of set
- 群集 throng
- 写真集 photo album
- 集装 packaging
- 集合体 aggregation
- 产业集群 industry cluster
- 教父第一集 The Godfather - 1972
- 杂集 miscellany
- 基于Rough集理论的知识约简与规则挖掘方法 Method of the knowledge reduction and the rule mining based on Rough set
- 字集 character set
- 集水井 sump well
