稳定的砂床波动流动型式
stationary bed-saltation flow pattern
半线性椭圆型方程
Semilinear elliptic equation
semilinear elliptic equations
Semilinear elliptic equationm
Semilinear elliptic
超线性椭圆型方程
superlinear elliptic equations
潮流椭圆要素
ellipse elements of tidal currents
Tidal current elliptic factors
二阶非齐次椭圆型方程
two-order non-homogeneous equation
二阶散度型拟线性椭圆型微分算子
quasilinear elliptic partial differential equation
二阶椭圆型方程
Elliptic equations of order two
elliptic equation
二阶椭圆型微分方程
Second order elliptic differential equation
elliptic partial differential equations of second order
Elliptic differential equations of second order
elliptic partial differential equations of second
非散度型椭圆算子
Nondivergence type elliptic operator
非线性椭圆型方程
semilinear elliptic equations
symmetry
nonlinear elliptic equations
general boundary value problem
nonlinear elliptic equation