短語詞組短語inverse isoperimetric problem 逆等周問題inverse dynamics problem 逆動力學(xué)問題inverse variation problem 變分反問題matrixes inverse eigenvalue problem 矩陣逆特征值問題the inverse eigenvalue problem 共軛偶向量inverse lattice problem 對勢反演generalized inverse eigenvalue problem 廣義特征值反問題inverse vibration problem 振動逆問題inverse potential problem 反勢問題;勢場逆問題 返回 inverse problem