A semi-vectorial finite difference method (SFDM) is used to characterize the dispersion of photonic crystal fibers.
采用半矢量有限差分法研究了光子晶体光纤的色散特性。
In this thesis, the membrane module was made up of common filter cloth, and the self-forming bio-dynamic membrane (SFDM) was studied in the first because of its simple and convenient manipulation.
本实验选用普通的工业滤布来制作动态膜组件，首先研究了操作简便的自生生物动态膜。
In this thesis, the membrane module was made up of common filter cloth, and the self-forming bio-dynamic membrane (SFDM) was studied in the first because of its simple and convenient manipulation.
本实验选用普通的工业滤布来制作动态膜组件，首先研究了操作简便的自生生物动态膜。
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