low bandgap的用法和樣例：
例句
- Without changing the period size, the frequency bandgap is varied when the length of the stretching strip is adjusted.
在不改變周期的情況下，通過(guò)調整伸長(cháng)窄帶長(cháng)度可以改變帶隙特性頻率。 - It must lose enough energy to fall past the bandgap into the area where electrons are allowed.
它必須失去足夠的能量，屬于過(guò)去的帶隙納入地方電子獲準。
