Spatial motion of a rigid body can be seen as a screw motion of the body along a specific axis.
任一刚体的空间运动都可以视为沿某一轴线作螺旋运动。
In order to solve the torsional problem of precast concrete screw pile in construction, the torsional behaviors of precast concrete pile body were designed strongly and studied by experimental method.
为了解决预制混凝土螺旋桩的抗扭问题，对预制混凝土桩体的抗扭性能进行了加强设计及试验研究。
The screw axis equation of the general motion of a rigid body has been derived by means of a comparison method.
本文用比拟法推得了刚体一般运动的螺旋轴方程。
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