By fitting the experimental data, the cluster unit rheological parameters of different fly ash content concrete were determined.
并通过对试验数据进行拟合，确定不同粉煤灰掺量混凝土簇单元的流变参数。
In view of the lower fitting degree of commonly used K-distribution model for various sea, especially for low sea state cluster, an improved K-distribution model was proposed.
鉴于目前最常用的K分布模型对各种海态下特别是低海态海杂波的统计特性拟合程度不高，提出了改进K分布模型。
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