英英释义
Noun- an independent government agency that regulates interstate and international communications by radio and television and wire and cable and satellite
例句
用作名词(n.)- Our results demonstrate that complete PBGs can be found in both fcc and sc lattice structures which are absent in PCs composed of isotropic dielectric spheres.计算结果表明，在简单立方晶格和面心立方晶格中都能够实现全光子带隙，这在各向同性介质球时是不存在的。
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