甚至在第二次撞击发生后，南楼还有一条楼梯可通向外面的街道。
Even after the second airplane struck, an open staircase connected the upper reaches of the south tower to the street.
陨坑中心可能是由于不同寻常的下层地质结构导致的，也有可能因为幸运的二次撞击而形成的。
The central crater could be formed by unusual layers below the surface, or from a lucky second impact.
高能量长叶片撞击将形起大变形，叶片弯曲成U形，机匣在第二次撞击处被撕裂击穿。
The impaction of long blade with high energy can cause large deformation and the blade will curl as U shape and tear the wall of the containment ring at the second impact position.
2月14日，Stardust -NExT飞行器将执行美国宇航局对Tempel1彗星的第二次撞击。
On Feb. 14, the Stardust-NExT spacecraft will be the second NASA mission to study comet Tempel 1.
第二次不可思议之”撞击木星
该理论阐述了多次碰撞，某种对地球的撞击，第二次是在双胞胎月球之间。
Multiple collisions are theorized, some sort of collision with the Earth, and then a second collision between twin Moons.
颗粒状较大的油雾状物和灰尘首选被吸入，并与撞击板相撞而落下，然后由一次和二次滤网将大部分雾状物除去。
Suck mist and dust in large particle size first, collide with collision board and drop, and then remove most mist by first and second filter screen.
通过具体的计算发现，由撞击带来的直接效应是有限的，在短时间内会迅速衰减，但由此引发的二次效应却是十分显著的。
Based on the calculation of our model, we find that the direct effects of the impact are limited and will attenuate in a short time.
通过具体的计算发现，由撞击带来的直接效应是有限的，在短时间内会迅速衰减，但由此引发的二次效应却是十分显著的。
Based on the calculation of our model, we find that the direct effects of the impact are limited and will attenuate in a short time.
应用推荐