It is found that this kind of photonic crystal can enlarge the band gap compared with ordinary structure photonic crystal 研究表明,与通常的均匀结构光子晶体的带隙相比,这种光子晶体能使光子带隙拓宽。
Their standard model treats the universe as though its density did not vary from place to place but had a uniform , average value of one atom per cubic meter 标准模型将宇宙视为一个均匀结构,密度不会随著空间位置而变化,每立方公尺平均有一个原子。