singular nonlinear system of equations 奇异非线性方程组

nonlinear system of differential equations 非线性微分方程组

system of nonlinear equations 非线性方程组

a system of nonlinear equations 一个非线性方程组

system of nonlinear algebraic equations 非线性代数方程组

system of nonlinear polynomial equations 非线性多项式方程组

constrained system of nonlinear equations 带约束的非线性方程组

system of nonlinear differential equations 非线性微分方程组