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。
The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.
颜色特征采用整数小波低频系数矩阵中环形区域的F -范数，纹理特征则采用高频部分的能量比值。
Combining the energy of a live band with the power of synthesizers, they create a high-energy electronic set.
作为一支灵活使用合成器的魅力和充满活力的现场乐队，他们创作了高质量的电子音乐作品。
The frequency parameters are set in highly denseness in high energy frequency band, but in sparse denseness in low energy frequency band.
在能量高的频段密集选取频率参数，相反在能量低的频段稀疏选取频率参数。
Although the energy loss of ordinary multi-layer photonic crystal structures is low, the band gap is usually limited, there is also wide-wide Angle high anti-band hard.
普通多层膜系结构光子晶体的禁带内能量损失较低，可是禁带宽度通常有限，而且出现较宽的全角高反带很难。
The metal band-sawing machine have the virtue of saving energy, high efficiency and saving material, which is the perfect metal material severing equipment for big, medium and small enterprise.
金属带锯床具有节能、高效、节材等优点，是大、中、小、型企业理想的金属材料切断设备。
The experimental results indicate that monocapillaries have high transmission efficiency for low energy X-ray, and polycapillaries have a wide band transmission property.
结果表明： 单管对低能X光有良好的传输性能，复合管具有宽波段的传输特性。
The invention realizes three-band output, and the cavity structure can ensure high energy and narrow pulse width three-band laser output and also can reduce element damage.
本发明实现三波段输出，此腔型设计既能保证高能量、窄脉宽三波段激光输出，又能降低元件损伤。
UV is an electromagnetic wave, the electron atoms jump from the high-energy bands at low energy band, will release excess energy in electromagnetic waves.
紫外线是电磁波的一种，原子中的电子从高能阶跳到低能阶时，会把多余能量以电磁波释出。
UV is an electromagnetic wave, the electron atoms jump from the high-energy bands at low energy band, will release excess energy in electromagnetic waves.
紫外线是电磁波的一种，原子中的电子从高能阶跳到低能阶时，会把多余能量以电磁波释出。
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