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1·The expression for calculating dynamic stress concentration factor is presented.

给出了动应力集中系数的计算表达式。

2·The expressions for calculating the dynamic stress concentration factors are given.

给出了界面处动应力集中系数的表达式。

3·Finally, the dynamic stress intensity factors of the fast-propagating crack is obtained.

得到了快速扩展裂纹的动态应力强度因子。

4·The dynamic stress field and the mechanism of the directed fracture blasting are analyzed.

分析和讨论了定向断裂爆破动应力场参数和定向断裂爆破作用机理；

5·The dynamic strength and dynamic stress-strain curves for sandstone and limestone are given.

给出了灰砂岩、石灰岩两种岩石动态的破裂强度与应力应变关系。

6·Testing research of dynamic stress in turbine blade is the key for solving the crack of runners.

开展真机转轮叶片动应力试验研究是解决大型水轮机转轮开裂的关键。

7·According to dynamic stress and load, the stress spectrum and load spectrum which are universal were got.

根据动应力和动态载荷值，获得了具有普遍意义的构架应力谱和载荷谱。

8·Testing research on dynamic stress is the key to solve the cracking problem of large water turbine runners.

开展真机转轮叶片动应力试验研究是解决大型水轮机转轮开裂的关键。

9·The accurate calculation of complex structure dynamic stress has not been fully solved in structure dynamics.

复杂结构动态应力的准确计算是一个没有圆满解决的问题。

10·The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.

给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。