賦范環(huán)元的譜 normed vector ring: 賦范向量環(huán)spectrum of a ring: 仿射概形; 交換環(huán)譜normed: 定額的ring type element: 環(huán)形元件ring-type element: 環(huán)形元件下載手機詞典可隨時隨地查詞查翻譯