We also investigate that both increasing the width of medium plate and the radius of embedded concentric circle are in favor of the new band gap emerging.
通过改变相关参数我们发现增加介质平板的宽度，增大内嵌介质柱的半径都有利于新禁带的产生。
This paper introduces three kinds of CNC turning method combined with practical example, concentric circle turning, center shifting turning and taper profile composition turning.
文章结合编程实例介绍了球弧数控车削三种常用的工艺方法，即车圆法、移圆法、车锥法。
In the field of ultra-precision measurement, tiny two-degree-of-freedom error information can be separated from moire fringe image generated by overlapping a pair of concentric-circle gratings.
在超精密测量领域中，通过处理同心圆光栅副迭合的莫尔条纹图像可以分离出二自由度的微小误差信息。
In the field of ultra-precision measurement, tiny two-degree-of-freedom error information can be separated from moire fringe image generated by overlapping a pair of concentric-circle gratings.
在超精密测量领域中，通过处理同心圆光栅副迭合的莫尔条纹图像可以分离出二自由度的微小误差信息。
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