基本解释[數學]酉子群麽正子群英汉例句雙語例句This thesis mainly works on the normality of elementary subgroup of Unitary group over almost commutative rings.本文主要對幾乎可換環上酉群的基本子群的正槼性進行了研究。unitary subgroup更多例句专业释义數學酉子群麽正子群