Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/6f3272071433b6eb4e97ee34dbc15ae0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 phononic band-gap是什么意思，phononic band-gap的翻译，phononic band-gap音标、读音、用法和例句_沉淀汉英词典
The plane wave expansion method is introduced to calculate the band gap for two-dimensional solid phononic crystals with square lattices. 采用平面波算法研究了二维正方点阵声子晶体的禁带结构。