短語詞組短語polyhedral l angle 多面角plano -polyhedral angle 棱頂多胞角regular polyhedral angle [數(shù)]正多面角vertically opposite polyhedral angle [數(shù)]對頂多面角obtuse polyhedral angle 鈍多面角right polyhedral angle 直多面角star polyhedral angle 星形多面角concave polyhedral angle 凹多面角complex polyhedral angle 復(fù)雜多面角 返回 polyhedral angle