基本解释[数学]酉子群么正子群英汉例句双语例句This thesis mainly works on the normality of elementary subgroup of Unitary group over almost commutative rings.本文主要对几乎可换环上酉群的基本子群的正规性进行了研究。unitary subgroup更多例句专业释义数学酉子群么正子群