基本解釋二度簡竝詞組短語短語doubly nodlinear degenerate parabolic equation 雙退縮非線性拋物型方程Doubly nonlinear degenerate parabolic equation 雙退縮非線性拋物型方程doubly degenerate parabolic equation 雙重退化拋物型方程nonlinear doubly degenerate parabolic equation 非線性雙重退縮拋物方程doubly degenerate更多詞組專業(yè)釋義數(shù)學雙重退縮環(huán)境科學技術二重簡竝