In this paper,we study the semigroups satisfying the cendition for Sym(S)=Aut(S) and we give some characteristic properties.是什么意思_In this paper,we study the semigroups satisfying the cendition for Sym(S)=Aut(S) and we give some characteristic properties.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句