点阵结构的弹性模量分布如何用极图表示？
参考文献：
[1] Elastically-isotropic truss lattice materials of re duce d plastic anisotropy
[2] 3D Plate-Lattices: An Emerging Class of Low-Density Metamaterial Exhibiting Optimal Isotropic Stiffness 返回小木虫查看更多