The utility model relates to a multilayer porous air filter plate which is composed of porous filter sheets, a mesh-shaped framework and accessories.
本实用新型涉及一种多层孔式空气过滤板，该过滤板由孔式过滤片、网状骨架及附件构成。
Secondly real models of the mesh unit and the whole mesh antenna are created, then shaping stress according calculation result is pressed on, finally the shaped mesh reflector antenna is obtained.
其次自己动手制作了天线单元和整体的实物模型，按照前面计算出的结果对天线网面施加预应力，得到成型后的实物索网反射面天线。
Based on the advancing front method, an automated triangular mesh generation algorithm for arbitrarily shaped planar regions is presented in this paper.
本文基于波前法提出了一种对任意平面区域生成三角形网格的全自动生成算法。
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