座舱盖玻璃撞击损伤的断裂分析，第六章。
The second part concerns about the fracture analysis of cracked metalic structures.
上腹撞击损伤重于侧腹撞击，上腹撞击易引起肝脏损伤。
Upper abdomen impact injury was more serious than that of lateral abdomen impact. And the former often led to liver damage.
实验结果表明，前板厚度的选取对双层板结构的撞击损伤区域会产生影响。
Therefore, the bumper thickness can effect on damage distributing area of Aluminum dual-wall structure.
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