This design created a gap between the air intake and the forward fuselage, and requires six small beams to enhance the structure for high-speed flight.

这样的设计导致了机身与进气口之间有一个间隔，为了高速飞行而在之间使用了6条小加强筋以加固结构。

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Photonic band gap structure of photonic crystals indicates its primary Property , which is the base of design of application.

光子晶体的带隙结构是光子晶体的重要特性之一，也是光子晶体应用开发的基础。

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The metal photonic band gap structure has potentialities in the areas of high-energy accelerators, microwave vacuum electron devices, and terahertz radiation sources etc.

金属光子带隙结构在高能加速器、微波真空电子器件和太赫兹波源等方面具有重要的应用前景。

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"To close this important gap in our regulatory structure, legislative action is needed that would subject all systemically-important financial institutions to the same framework for consolidated supervision that currently applies to bank holding companies."

VOA: standard.2009.10.01