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The dielectric properties of(AgxNa1-x)(NbyTa1-y)O3 were investigated,and its dielectric loss and capacitance were measured.The dielectric properties of nanometer(AgxNa1-x)(NbyTa1-y)O3 ceramic prepared by liquid method were better than that by conventional solid method.The average grain size of the nanometer powder(34 nm)obtained by citrate-gel method was small near 500 nm and homogeneous and the microstructure was dense and uniform.In addition,the sintering temperature had a great effect on properties.The dielectric