众所周知，正则半群上的同余都是好同余。
It is well known that congruences on regular semigroups are good.
反之，S (p)的任一p -核正规系可以决定s (P)上的一个正则P -同余。
Conversely, any P-kernel normal system of s (P) can determine a regular P-congruence.
给出了强p -同余对和强p -同余关系之间的结构定理。
A structure theorem between strong P-congruence pair and strong P-congruence is given.
本文研究了完全正则半群上的H -相关同余。
In this article, we investigate H-related congruences on completely regular semigroups.
这些子群中，人们特别关注那些正规的同余子群。
Especially, people pay much attention to those normal subgroup.
这些子群中，人们特别关注那些正规的同余子群。
Especially, people pay much attention to those normal subgroup.
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