常見例句雙語例句Then group congruences, the least group congruence, regular congruence, and idempotent-seperating congruence on such semigroups are obtained.其次，對這類半群上的群同余、最小群同余、正則同余、冪等分離同余做了進(jìn)一步研究。 返回 the least group congruence