基本解释[物理学]双负介质[化学]双负介质专业释义物理学双负介质A new type of double negative medium(DNG) is proposed,which is made of two split ring resonators and has a simple structure.提出了一种双开口谐振环结构的新型双负介质单元模型,该模型集电、磁谐振于一体,结构简单。化学双负介质