dynamic stress focus

• 动应力集中

dynamic stress focus的用法和样例：

例句

1. In the process of dynamic unloading, the radial stress unloaded first and then rebounded, the circum stress concentrated.
   初始应力动态卸荷时，动应力在隧洞径向表现为卸荷回弹，而在切向出现动应力集中，表现为加载。