常見(jiàn)例句雙語(yǔ)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維正方點(diǎn)陣聲子晶體的禁帶結(jié)構(gòu)。 返回 phononic band-gap