The spatial network method is used to calculate the electromagnetic wave scattering characteristic of carbon fiber composite grid structures filled with Absorbing foams.
采用空间回路网法计算得到填充吸波泡沫的碳纤维复合材料格栅结构的电磁散射性能。
The geographic network analysis is the main method for the research of the spatial location-relation and the spatial correlation.
而地理网络分析是空间位置关系和空间相关关系研究的主要内容和主要的研究方法手段。
By means of GIS method, the digital elevation model(DEM)is established, the flow direction, flow accumulation, subcatchment boundaries and stream network spatial distribution are studied.
采用GIS的方法，建立了环县数字高程模型（DEM），研究了本区地表水流方向、集流能力、子集水区的划分及水系网络空间分布等水文特征。
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