The filtering properties of doped one-dimensional photonic crystal containing negative refractive index material are studied by using transfer matrix method.
利用转移矩阵法，研究了含负折射率材料的一维光子晶体掺杂后的滤波性质。
The wear loss of the positive brush was larger than that of the negative brush due to the material transfer.
同时，由于材料转移等现象的存在，使得正刷的磨损量大于负刷。
EF2300 model multi-functional curved surface positive-negative pressure machine can finnly adhere solid-woodveneer, heat transfer-printing film, decorative paper and PVC film on all kinds of material.
EF2300型多功能曲面正负压机，能够牢固地贴覆实木单板、压克力热转印膜、装饰纸、PVC膜于各种材料上。
EF2300 model multi-functional curved surface positive-negative pressure machine can finnly adhere solid-woodveneer, heat transfer-printing film, decorative paper and PVC film on all kinds of material.
EF2300型多功能曲面正负压机，能够牢固地贴覆实木单板、压克力热转印膜、装饰纸、PVC膜于各种材料上。
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