您要查找的是不是：
- 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。
- 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。
- The frictional force between a particle and fluid counterbalances the weight of the particle. 颗粒与流体之间的摩擦力与其重量相平衡。
- Ultrasonic motor (USM) is a new type motor which applies frictional force as the driving source. 摘要超声波电动机是以摩擦力作为驱动源的新型电动机。
- Frictional forces may also act when there is no relative motion. 在无相对运动的情况下，也可以有摩擦力的作用。
- The forces due to friction are called frictional forces. 由于摩擦而产生的力称之为摩擦力。
- An alternative model ascribes the stream to frictional forces. 另有一种模型将气流归因于摩擦力。
- 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。
- For sliding contact, the coefficient of kinetic friction Uk is defined as the ratio of the frictional force to the normal force. 滑动接触时，动摩擦系数Uk的定义是摩擦力与法向力的比率。
- The distribution of frictional force on the rolling plate surface and the effects of friction on rolling process are discussed. 材料的等向强化模型、运动强化模型和混合强化模型对中厚板轧制过程的影响;
- An iterative algorithm is advanced to work out contact length and vertical load and frictional force distribution in longitudinal direction. 采用迭代算法计算了印迹长度及垂直载荷与摩擦力在纵向的分布。
- Clogging of vibrating screen with shaking plate in the material grinding field is overcome by analyzing the problems and using the frictional force. 通过分析磨料行业中摇板振动筛网孔堵塞的原因，利用摩擦力的作用，采用激振法解决摇板振动筛网孔的堵塞。
- 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。
- In order to analyze the distribution of internal frictional force and determine the least layer number for expansion of coiler,the coiling process was studied with FEM. 为了分析热轧带钢在卷取过程中层间摩擦力分布和确定卷筒胀径时最小带卷层数,利用有限元的手段再现了热轧带钢卷取的全过程。
