band-gap crystal 带隙晶体 ; 满带模型
air gap crystal unit 气隙晶体单元
pressure air-gap crystal unit 压缩空隙式晶体器件
gallium phosphide single crystal GaP 磷化镓单晶
band gap-photonic crystal fiber 带隙型光子晶体光纤
Many applications of photonic crystals are based on photonic band gaps, and it would thus be very interesting to design a photonic crystal with the largest band gap for a given dielectric contrast.
光子晶体最主要的特性是光子禁带：大多数光子晶体的应用都是基于禁带效应，因此设计具有尽可能大的禁带的光子晶体具有重要的意义。
The investigation results show that the band gap of the photonic crystal made of LHM is wide and multi-transmittance peaks appear in the forbidden band.
研究结果表明：一维右手材料和左手材料构成的光子晶体具有宽禁带的特点，禁带中出现多个共振透射峰。
Peach is still Hongyan, spring rain watering, it is crystal clear, it is rain and fog can obscure depths of Tao Hualin, long and almost invisible gap.
桃花依然红艳，春雨浇灌，它更是晶莹剔透，可桃花林深处却是雨雾朦胧，难见空隙。
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