1. Impact stress and impact shift are solved by energy method. Stress-strength interference model can be used to impact investigation. Reliability design of impact has been studied. 用能量法求冲击应力和冲击变形。并将应力强度干涉模型运用于冲击问题，讨论了冲击的可靠性设计。
2. The compressive failure tests were carried out on the composite laminates after low velocity impact damage to study compressive failure mechanisms of laminates after low velocity impact damage. 对两种材料体系和铺层的复合材料层合板进行低速冲击后压缩强度试验，以研究低速冲击后层合板的压缩破坏机理。
3. In the areas of impact dynamics and high velocity impact dynamics, measuring impact load and pressure between two contacted interfaces is still a difficult work. 在碰撞及高速碰撞动力学的研究中，界面与界面之间压力、撞击载荷随时间的变化等的测试一直是一个难题，PVDF压电特性的发现为解决这一难题提供了可能。
4. The impact curves and relevant mathematical expressions were obtained through pendulum impact test of cultivars Tianjin apple. The influence of impact parameters on bruise volume was analyzed. 以天津蓟县苹果为试验对象，通过悬摆式碰撞试验，得到了苹果碰撞过程的加速度-时间曲线及其数学表达式，并分析了各碰撞参数时损伤体积的影响。
5. The research of intensity, rigidity, the stability, critical energy and critical impact force belongs to the fields of structure impact resistance, which the structure is struck in the impact load. 结构受冲击作用下的强度、刚度、稳定性、临界能量荷载和临界冲击力的研究属结构耐撞性研究范畴，由于结构在冲击作用下的响应是一个复杂的非线性力学问题，目前该研究领域还比较弱。
网络释义
compaction impact impact into impaction pack press out 压紧;
compaction impact impact into impaction pack press out 压紧;
compaction impact impact into impaction pack press out 压紧;
