dielectricityn.介电性dielectricn.电介质；绝缘体adj.非传导性的dielectric-slab waveguide介质板波导dielectric loaded waveguide介电负载波导管dielectric loaded resonator介质谐振腔dielectric characterization介电性能dielectric rod wave-guide介质棒波导dielectric-waveguide mode介质波导波型dielectric loss coefficient介质损耗系数dielectric loss measurement介质损耗计量dielectric dispersion curve介电色散曲线dielectric phase difference介质相位差