Nonlinear DAC非线性数模转换器nonlinearadj.非线性的nonlinear norm transformation非线性度变换nonlinear waveshaping circuit非线性整形电路nonlinear continuum mechanics非线性连续介质力学nonlinear propagation effects非线性传播效应nonlinear integer programming非线性整数规划Nonlinear Electronic Circuits高频电子线路Nonlinear harmonic generation非线性谐波nonlinear IR optical material红外非线性光学材料nonlinear optical chromophore非线性光学生色团nonlinear discrete inequality非线性离散不等式