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- tangent friction force 切线摩擦力
- As soon as sliding begins, it is found that the friction force decreases. 人们发现，滑动一开始，摩擦力就减
- The observed friction force is the force required to break these tiny welds. 我们观察到的摩擦力，就是破坏这些细微的焊接点所需要的力。
- In such a situation he would give anything for the sake of just a little friction force. 在这样的情况下，他会不惜任何代价来换取那怕只是一点儿摩擦力。
- When the friction force acts alone, the total mechanical energy is not conserved. 当只有摩擦力作用时，总机械能就不守恒。
- This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift. 该摩擦力的非线性改变使速度产生变化,导致人们在搭乘液压电梯时产生不舒适感。
- The friction force is therefore called a nonconservative or a dissipative force. 因此，摩擦力称为非保守力或耗散力。
- What effect does this have no the friction force between the opposing lineman's feet and the ground? 这对这名边线防守队员的脚与地面之间的摩擦力产生了怎样的影响？
- The friction force between Si3N4 probe of AFM with WS2 nanotube is lower than that with MoS2 powder. 在室温大气下干摩擦时原子力显微镜的S3iN4探针与WS2纳米管之间的摩擦系数小于与MoS2粉末的摩擦系数。
- The work of the friction force does depend on the path; the longer the path between two given points, the greater the work. 摩擦力的功则取决于路径，路径越长，功越大。
- In pneumatic proportional position control system, the friction force is a key factor affected the accuracy of its positioning. 摘要气动比例位置控制系统中，摩擦力是影响其定位精度的一个关键因素。
- The isolation of this damper is performed by the friction force caused by relative slip between plate layers under loading. 根据动力学原理,建立了阻尼器的振动系统模型及系统方程;
- The friction force is described by a hysteretic model, which is determined by the state of motion of the damper, i.e. stick or slip. 阻尼器摩擦力由黏滞模型描述，由接触面滑动或黏滞状态决定。
- Because of the ice and the snow, it has less frictional force. 再加上冰雪在减少磨擦力。
- This frictional force causes the velocity of an object to decrease. 这种摩擦力使物体的速度减低。
- If there are nonideal constraints in the system, such as a spring force or a friction force etc, they can be treated as a positive force. 若要求解约束反力，需解除相应的约束，代之以约束反力，并计入主动力。
- Flanged valves have following features : small opening stroke , small friction force when opening and shutting ,and high abrasion resistance . 本阀门结构为法兰连接，具有开启行程小、摩擦力小、耐磨等特点。
- The distribution of the friction force on the interface between soil and mortar and the variation of pretress in anchors are obtained through test. 通过试验，测试了锚固体在岩土中摩阻力的分布规律及其锚杆中的预应力变化，校验了锚杆的设计数据，为工程提供了设计依据。
- The other is the modified Dahl model that adopts Dahl model instead of Bouc Wen model to simulate Coulomb friction force to avoid the determination of too many parameters. 另一种称为修正的Dahl模型 ,它采用Dahl模型来模拟库仑摩擦力 ,克服了常用的Bouc -Wen模型需要确定的参数过多的缺点。
- It was revealed that the device realized the directional movement by controlling the difference between the driving force of device leg and the friction force of interfaces. 指出该机构是通过控制机构驱动“足”产生的驱动力和接触面之间的摩擦力之差实现机构的定向运动的。
