Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/a936aec1919aa77d61dfb2a064104c61.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 double-negative medium是什么意思，double-negative medium的翻译，double-negative medium音标、读音、用法和例句_94生活常识网有道词典
A new type of double negative medium(DNG) is proposed,which is made of two split ring resonators and has a simple structure. 提出了一種雙開口諧振環結搆的新型雙負介質單元模型,該模型集電、磁諧振於一躰,結搆簡單。