A choice is generally the most applicable pattern element , but others including Choice通常是最实用的模式元素,但其它元素(包括
In a metamaterial , the patterned elements are considerably smaller than the wavelength and are thus not seen individually by the electromagnetic wave 在超材料中,组成图案的元件通常比电磁波长小很多,因此电磁波看不见个别的组成元件。