当原子想动的时候，它们就互相碰撞。
When the atoms try to move, they vibrate against each other.
只不过是风声萧萧，屋动窗摇，铁片碰撞房顶的咣当声和床铺簌簌作响的颤抖声。
It is only the wind shaking the house, rattling the Windows, banging a piece of iron on the roof and making her bed tremble.
其次是弹性，是指地毯经过一定次数的动荷载碰撞后，厚度减少的百分率。
Second is elastic, it is to point to carpet after a certain number of dynamic load after the impact, reduce the percentage of thickness.
根据求得的时域内抽油杆柱受力变形值以及与油管柱碰撞接触力，计算了抽油杆柱动强度和扶正器安放位置。
The dynamic strength of rod string and the mount position of centralizer were calculated, according to the acquired deformation of rod string and its impact contact force with tube in the time domain.
采用动力接触有限元法分析强夯中夯锤对地基土的冲击碰撞过程，建立动接触力与速度之间的接触关系式。
Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed.
采用有限元方法研究了某新型自动步枪枪机闭锁面与节套闭锁面间垂直接触碰撞的动应力。
By using the finite element method, the dynamic stress caused by vertical contact impact between bolt locking surface and barrel extension locking surface of a new rifle was studied.
基于Hertz接触理论，分别建立A MB失效后转子与保护轴承内圈之间的碰撞模型和保护轴承的实时动刚度模型。
Based on the Hertz contact theory, the collision model between rotor and catcher bearing inner race and the real-time dynamic stiffness of the bearing after AMB failure are respectively established.
旋动调节螺杆使转向臂向主电机反方向移动，继续转动调节螺杆直到动盘与定盘接触，发出轻微金属碰撞声为止。
Turn the adjustment screw so that the steering arm moves away from the main motor. Keep turning until you hear a metallic sound created when the discs come together.
旋动调节螺杆使转向臂向主电机反方向移动，继续转动调节螺杆直到动盘与定盘接触，发出轻微金属碰撞声为止。
Turn the adjustment screw so that the steering arm moves away from the main motor. Keep turning until you hear a metallic sound created when the discs come together.
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