And the forming process of a automobile skeleton part of sheet metal is simulated by using the non-linear FEM software SHEET-FORMING. Some problems in forming process are also analyzed here.
并运用非线性有限元软件包SHEET FORMING对某汽车骨架零件进行冲压数值模拟，分析了可能出现的问题。
The effect and working mechanism of skeleton material, carbide-forming elements, rare-earth and non-metallic elements in the bond are discussed.
重点阐述了骨架材料、碳化物形成元素、稀土、非金属元素等在金属结合剂的作用及其影响机理。
Bone mass changes are site-specific rather than evenly distributed throughout the skeleton with the tendency that weight-bearing bones are more affected than non - weight-bearing bones.
骨质量的变化并非在骨骼内平均分布，而是有部位特异性，承重骨比非承重骨受影响更为严重。
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