单词：normal subgroup
normal subgroup的用法和样例：
例句
- Congruences in semigroups are similar to normal subgroups in groups and ideals in rings.By congruencs, one can thoroughly obtain characterizations of E-inversive semigroups.摘要半群的同余类似于群中的正规子群或环中的理想，旨在对代数系统进行分类，以期得到关于半群的细致刻画。
单词：normal subgroup 相关文章
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