短語詞組短語Parabolic trading system 拋物線交易系統(tǒng)degenerate parabolic equation system 退縮拋物型方程組parabolic type system 拋物型系統(tǒng)parabolic differential system 拋物方程組parabolic equation system 拋物方程組parabolic trough system 槽式系統(tǒng)parabolic equations system 拋物方程組parabolic coordinate system 拋物線坐標(biāo)系parabolic evolution system 拋物發(fā)展系統(tǒng) 返回 parabolic system