... nucleation process 聚核作用﹝指银粒因感光而产生合并的作用﹞ Nude Photography 人体摄影 numerical aperture 光纤折射值，光导纤维的折射数值，表示可传达讯号的数量 ...
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本文研究了计算保偏光纤中应力双折射特性的微元算法，对其计算值进行了理论验证。
In this paper, we study theoretically infinitesimal element method for calculation of stress birefringence in polarization maintaining fibers.
测量了拉制成的有孔光纤的数值孔径和归一化频率等传输参数，并基于有效折射率方法与理论值进行了比较。
Transmission parameters such as numerical aperture and normalized frequency of the fabricated holey fibers have been measured and compared with theoretical values based on effective index method.
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