地面降水诊断方程
surface rainfall equation
流函数诊断方程
Stream function diagnostic equation
周期块三对角线性方程组
periodical block-tridiagonal linear equations
周期三对角Toeplitz线性方程组
toeplitz linear equation set
逐步回归方程
Stepwise regression equation
逐段常变量微分方程
differential equations with piecewise constant