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Recently, there is an increasing interest in studying the dynamic magnetic properties of nanostructured elements.For instance, a novel self-biased microwave circulator has been proposed.Among them, the dynamic permeability spectrum of nanotube is of great importance in both fundamental and application fields.The attribute that makes this property desirable is that the eddy current loss interfering with permeability spectrum is greatly suppressed for nanotubes due to the special hollow structure.