偏: inclined to one side; slanti ...的: 4次方是 The fourth power of 2 i ...积分法: integration微分方程的积分: integral of a differential equation偏微分方程: partial differential equation; partialdifferentialequation偏微分方程的超定组: overdetermined system of partial differential equations偏微分方程式: partial differential equation偏微分方程组: system of partial differential equations微分方程的阶: order of a differential equation; order of differential equation积分方程的核: kernel of an integral equation; kernel of integral equation; nucleus of an integral equation积分方程的和: kernel非线性偏微分方程: nonlinear partial differential equation混合型偏微分方程: partial differential equation of mixed type近代偏微分方程: modern partial differential equations联立偏微分方程: simultaneous partial differential equations拟线性偏微分方程: quasilinear partial differential equation抛物型偏微分方程: parabolic partial differential equation; partial differential equation of parabolic type; partial differential equationf parabolic type偏微分方程理论: theory of partial differential equations偏微分方程数值解: numerical solution of partial differential equation偏微分方程语言: partial differential equation language欠定偏微分方程组: underdeterminate system of partial differential equations双调和偏微分方程: biharmonic partial differential equation双曲型偏微分方程: hyperbolic partial differential equations; partial differential equation of hyperbolic type; partial differential equationyperbolic type椭圆型偏微分方程: elliptic partial differential equation; partial differential equation of elliptic type; partial differential equationof elliptic type现代偏微分方程: modern partial differential equations