函數(shù)微分方程理論 theory of differential equations: 微分方程論theory of partial differential equations: 偏微分方程理論differential equations: 微分方程theory of equations: 方程論; 方程式論special functional equations: 特殊函數(shù)方程下載手機詞典可隨時隨地查詞查翻譯