关系条件 meaning in Chinese

relation condition

Owing to the strong condition of equivalence relation , there exist some limits , and it has been proved to be np - hard to find all reductions and a minimal reduction
由于等价关系条件较强，有一定的局限性，已经证明求所有约简和最小约简是np - hard问题。
The symmetric - similarity - relation - based rough set extension model improves the other extension models , and can solve the problems that the conditions of tolerance relation and limited tolerance relation are excessively free and conditions of non - symmetric similarity relation are too stern
这种扩展模型是其他几种扩展模型的改进，能较好地解决相容关系和限制容差关系条件的过于宽松以及非对称相似关系条件过于严格的问题。