根据第一层材料禁带宽度与第二层材料禁带宽度，绘制不同损失率下，两种材料禁带宽度随损失率变化的关系曲线以及双层材料光伏转换极限效率曲线-According to the first layer of material with a band gap of the material the band gap of the second layer, draw a different loss rate curves of the two materials with the band gap of

用集中质量法计算一维声子晶体带隙特征，可以直接得到带隙图-With lumped mass method, the band gap of one dimensional photonic crystal can be calculated directly.

随机增长建立空隙网络模型，结合分形特征分析，用于岩心数值模拟。这是几篇文献，希望对大家有所帮助。-Random growth gap established network model, fractal characteristics analysis, numerical simulation core for. This is a few documents, we want to help.