非空集合
fēi kōng jí hé
- nonempty set
非空集合
非空集合[fēi kōng jí hé]
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非空集合A上的等价关系与A的划分是一一对应的,但A上的二元关系有2AA种,直接确定划分特别是不同划分不容易。
Equivalence relation in nonempty set A and demarcation of A are one to one correspondence .
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对非空集合A,若关系~适合(Ⅰ)自反性,(Ⅱ)对称性,(Ⅲ)传递性,则称~为A的一个等价关系。
If a relation - of a nonempty set A satsfies : ( 1 ) reflexive property ,( 2 ) symmetry , and ( 3 ) transitivity , then - is called an equivalence relation of A.
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模糊证据(D-S)理论基于非空集合。
Fuzzy evidence ( D-S ) theory is based on nonempty sets .
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在每个采样时间内,通知服务获取的非空通知集合的百分比。
The percent of non empty sets of notifications that are retrieved by the notification service every sample time .