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1)  one direction internal assistant sets
单向内副集
1.
According to the concept of one direction assistant sets,the concepts of one direction internal assistant sets and one direction rough assistant sets and the concepts of their eigenvalue are proposed.
根据单向副集的概念,提出单向内副集与单向粗副集的概念,单向副集、单向内副集与单向粗副集特征值的概念;提出单向副集与单向粗副集关于单向S-集合与单向S-粗集的迁移度的概念,基于这些概念给出相关的定理;最后以实例分析单向粗副集的特征值与迁移度的存在背景与应用。
2)  one direction assistant sets
单向副集
1.
According to the concept of one direction assistant sets,the concepts of one direction internal assistant sets and one direction rough assistant sets and the concepts of their eigenvalue are proposed.
根据单向副集的概念,提出单向内副集与单向粗副集的概念,单向副集、单向内副集与单向粗副集特征值的概念;提出单向副集与单向粗副集关于单向S-集合与单向S-粗集的迁移度的概念,基于这些概念给出相关的定理;最后以实例分析单向粗副集的特征值与迁移度的存在背景与应用。
3)  one direction rough assistant sets
单向粗副集
1.
According to the concept of one direction assistant sets,the concepts of one direction internal assistant sets and one direction rough assistant sets and the concepts of their eigenvalue are proposed.
根据单向副集的概念,提出单向内副集与单向粗副集的概念,单向副集、单向内副集与单向粗副集特征值的概念;提出单向副集与单向粗副集关于单向S-集合与单向S-粗集的迁移度的概念,基于这些概念给出相关的定理;最后以实例分析单向粗副集的特征值与迁移度的存在背景与应用。
4)  lower pair and one-way
低副单向
5)  inward set
内向集
6)  one direction improper singular rough sets
单向IS-粗集
1.
Discussed above,under approximate operator nature of one direction improper singular rough sets,and the relationship of improper singular rough sets,singular rough sets and rough sets.
在S-粗集理论的基础上,给出单向IS-粗集(one direction improper singular rough sets)的概念及其数学结构,并讨论了单向IS-粗集上、下近似算子的性质及IS-粗集与S-粗集和Z。
补充资料:低都儿低
1.低而又低,很低。
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