有一类特殊的非线性系统，它遵从广义的叠加原理。在代数上，这类系统用输入和输出的矢量空间之间的线性变换来表征，因而称为同态系统。-A special class of nonlinear systems, which comply with the broad principle of superposition. In algebra, such systems use linear transformation vector space between the inputs and outpu