本性: inherent character; nature方程: equation安定性方程: stability equation弹性方程: elastic equation; elasticity equation; equations of elasticity弹性方程(式): elastic equations非线性方程: non linear equation; nonlinear equation刚性方程: stiff equation连续性方程: continuing equation; continuity equation; equation of continuity; equation of through flow拟线性方程: quasi linear equation; quasilinear equation渗透性方程: permeability equation塑性方程: equation of plasticty特性方程: characteristic equation特性方程式: characteristic equation稳定性方程: stability equation线性方程: linear equation线性方程解: linear equation solution线性方程式: linear equation线性方程组: a system of simultaneous linear equations; lineares gleichungssystem linear system of equations; system of linear equations; set of linear equation; solving linear equations; system of linear equations相容性方程: compatibility condition; compatibility equations; equation of compatibility中性方程: neutrallty equation准线性方程: quasi linear equation; quasilinear equation最佳性方程: optimality equation对称线性方程: symmetric linear equations; symmetrical linear equation二元线性方程: linear equation in two unknowns非线性方程式: nonlinear equation