其色散关系与波矢方向有关，与各向同性的电介质的色散关系相似。
The dispersion is related to the wave vector and similar to the dispersion relation of the isotropic dielectric.
研究了色散等离子体介质中用电介质填充的圆孔的截止特性。
The cutoff characteristics of dielectric-filled circular holes embedded in a dispersive plasmonic medium are investigated.
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