短語詞組短語geophysical inversion problem 地球物理反縯問題nonlinear inversion problem 非線性反縯問題linear inversion problem 線性反縯問題forward and inversion problem 正反縯問題fuzzy inversion problem 模糊反縯問題gravimetric inversion problem [地物]重力反縯問題Jacobi inversion problem Jacobi 反縯問題inversion problem shortcut strategy 相反數(shù)簡算策略Inversion Problem Arising in Economics 反問題 返回 inversion problem