1) symmetry of an equivalence relation
等价关系的对称性
2) symmetry of strategic
策略等价的对称性
4) a pair of families of equivalent relations
等价关系族对
1.
This paper defines latter component s reduction of a pair of families of equivalent relations, reduction of a pair of families of equivalent relations, decision attribute reduction of a decision table, attribute reduction of a decision table.
首先定义等价关系族对的后件简化、等价关系族对的简化、决策表决策属性的简化、决策表属性的简化,然后建立了上述的两类简化之间的相互转化关系。
5) asymmetrical costs
代价的不对称性
6) symmetric relation
对称关系
1.
The article summarized the study of domestic language educational world formerly about the symmetric relation words(verb,adjective,noun) including the mutual meaning is summarized,and questions which need further solved are proposed.
文章综述了国内语言学界以往关于含有相互义的对称关系实词(动词、形容词、名词)的研究情况,并且提出了有待进一步解决的问题。
补充资料：等价
等价
equmrience
等价[剑两钧山”沈:，K，二a二e盯。ocT‘] 集合X上的具有下列性质的二元关系(binary rela-tion)R任XxX二 l)对任意x:义只义(自反性(代倪xi访ty)); 2)义RJ，冷夕撇(对称性(s yrnrnetry”; 3)x脚八y几冷x几(传递性(。双瑙迈讨ty夕). 如果f是集合X到集合y内的映射，则关系R“{(x，，习二fx、二久}是一等价关系. 对任意y任X，所有与y等价的x组成的集合U任X称为是y的等价类(闪比讼1日篮笼cla铝).任意两个等价类要么不相交，要么重合，也就是说，任意一个等价关系定义了X的一个分划，反之亦然. B.H.rp“吐山时撰张锦文、赵希顺译
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参考词条