To prevent the rotating movement of the workpiece, the moment at each clamping point caused by the cutting force has to be eliminated by the forces at the clamping points.
为了防止工件的旋转，每一个点由于切削力引起的扭矩都必须用夹持点的力去除。
In addition, the author introduces in detail several structural control methods to prevent vibration effect acted on highrise steel structure building caused by wind force.
此外，文中对国内外高层结构建筑，为抵抗风力引起的振动影响而采用的结构控制方法，作了较细的介绍。
This paper discusses liquefaction mechanism of saturated sand affected by earthquake force, analyzes various influence factors, then put forward some measures to prevent sand liquefaction.
探讨了地震力作用下饱和砂土的液化机理，分析了影响饱和砂土液化的各种因素，并提出了防止砂土液化的一些措施。
This paper discusses liquefaction mechanism of saturated sand affected by earthquake force, analyzes various influence factors, then put forward some measures to prevent sand liquefaction.
探讨了地震力作用下饱和砂土的液化机理，分析了影响饱和砂土液化的各种因素，并提出了防止砂土液化的一些措施。
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