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1·The vertical force produced by the airflow past the upper and lower surfaces of the wing.

气流流过机翼上下表面所产生的垂直力。

2·They then had them walk a platform that measured vertical force as their feet hit the ground.

当实验对象的脚部触及平台地面时，平台测量出向下的作用力。

3·The left leg kicks to counter-balance the vertical force component of elevating and recovering right arm.

左腿打水来平衡右臂的抬升和空中移动长生的垂直分力。

4·Finally, it was given that calculating demonstrations about dewater settlement and additional vertical force.

最后，对疏排水沉降与井壁竖直附加力进行了示例计算。

5·In other words, the vertical component of its linear momentum remains zero, since there is no resultant vertical force.

换句话说，因为没有竖直方向的合力，所以线动量的竖直方向仍为零。

6·Finally, the critical velocity of shimmy varying with the vertical force during taxing was investigated in different caster lengths.

讨论了不同稳定距下，飞机滑跑时发生摆振的临界速度随垂直载荷的变化。

7·Provided two contact bodies are in the critical state of relative sliding, the tangential force is proportional to the vertical force.

假设当两个接触面处于相对滑动的临界状态时，切向力与垂向力成正比。

8·The effect of the vertical force on the pier stiffness and the interaction among the level, bending and torsion displacement is also studied.

文中考虑了竖向力对群桩刚度的影响以及桩基承台水平位移与弯曲、扭转位移的耦合作用。

9·The uplift force on bottom and the total vertical force of regular waves acting on perforated caisson are systematically investigated by experiments in this study.

通过水槽规则波波压力实验，对规则波作用下无顶盖开孔沉箱所受垂直力进行了系统的研究。

10·Cross sector seamless line, namely rail bar, rail bar and rail switch direct welding; the vertical force and displacement are direct transmitted between rail bars.

跨区间无缝线路，即轨条与轨条、轨条与道岔直接焊接，轨条之间直接传递纵向力和位移。