1) diversification
系族
2) business group
系族集团
3) equivalence relation family
等价关系族
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) radioactive decay series
放射性衰变系(族)
补充资料：系族
1.一姓世代相联之宗族。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。