Аннотация:Imprints of kinematic dynamo modes in observations of magnetic structures are evaluated in terms of theoretical models of galactic dynamos in axisymmetric disks. Direct comparisons of the theoretical implications of kinematic modes and observations of spiral galaxies are effective, but nonlinear effects evident in dynamos are not included in the description. Galactic dynamo theory can only be compared to observations in the Milky Way, where the asymptotic model is confirmed. The properties of linear dynamo models in the global magnetic configurations of spiral galaxies are examined, and nonlinear distortions of the linear solutions are identified. It is unclear whether the large-scale magnetic fields in the solar vicinity of the Milky Way have reached the steady state or whether the calculated value is accurate. Nonlinear effects in galactic dynamos are theorized to be relatively weak.