The photonic band gap of 1-D photonic crystals with graded single refractive index layer is investigated using the method of the characteristic matrix.是什么意思_The photonic band gap of 1-D photonic crystals with graded single refractive index layer is investigated using the method of the characteristic matrix.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句