基本解释[化学]声子带隙[物理学]声子禁带英汉例句双语例句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。专业释义化学声子带隙物理学声子禁带