During BRDF model constructing in urban areas, two important factors are vegetation covered in urban areas and the geometry structure of the urban.
在城市地区BRDF模型构建时，两个重要的影响因素是城市地区的植被覆盖面积比和城市的几何结构。
According to each structure module movement analysis and function, relevant structure model is set up and calculation is going on to definite geometry size for the important part.
针对每个结构模块的运动分析和功能需要，提出相关的结构模型，对重要的部件进行相关的设计计算，确定几何尺寸。
Reasonable designs of the structure parameters of PB layer and the gate-cathode geometry are obtained by numerical iteration and an equivalent current model.
文中采用数值迭代法和建立等效电流模型，对P_B层结构参数和门极-阴极几何图形尺寸进行了合理设计。
Based on the system geometry structure, the computing model of depth information was established.
按照系统的几何结构，建立了深度信息的计算模型。
Vehicle's geometry model is formed, of which the shell structure is the main skin and steel structure made by welding.
建立了以板壳为主体的骨皮结构焊接车体几何模型。
Microstructural finite model of 3-d braided composites was set up on the basis of real geometry structure. The model was used to analyze penetration property of 3-d braided composites.
在三维编织复合材料真实几何结构基础上建立了细观结构有限元模型，分析了三维编织复合材料的弹道冲击性能。
Based on the structural characteristics of porous media, we used the typically fractal model to simulate the geometry structure of porous dilectrics.
根据多孔介质的结构特点，我们利用分形理论模拟了多孔介质的几何结构。
The geometry structure of sea surface was formed with the wave spectrum model of ocean wave in the paper.
主要工作是对利用海浪谱模型，生成了海洋表面几何构形。
The geometry structure of sea surface was formed with the wave spectrum model of ocean wave in the paper.
主要工作是对利用海浪谱模型，生成了海洋表面几何构形。
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