Most material in the normalimpact region is converted into small fragments after the impact while the large fragments are from material far from the normalimpact region.
研究结果同时表明正撞击区内的材料大部分转化为了小碎片，大碎片则由远离正撞击区的材料产生。
2
The normalimpact of a blunt cylindrical projectile on the apex of a thin spherical aluminium cap which caused large permanent displacements was experimentally investigated.
本文报告了平头柱形弹体对铝制球顶壳正撞击时引起的大变形动力响应的实验研究。
3
There are jobs where leaders can have normalimpact, especially given the volume of resources already be amassed but where the leader can even know the names of everyone on the team.