1.
Demonstrate the Diretion of Friction Ingeniously with LONG-haired Brush and TUBE - brush;
巧用长毛刷和试管刷演示摩擦力的方向
2.
Demonstrate originally the direction of friction in any case with simple method in order to combine the theory with practice.
通过简易实验,形象地演示各种情况下摩擦力的方向。
3.
Judgment of the Friction s Direction in an Object Rolling;
关于物体在滚动时摩擦力方向的判定
4.
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。
5.
Simple demonstration of friction force beingthe interactive one;
“摩擦力是相互作用力”的简捷演示方案
6.
the Intuitionistic Judgment of Static Friction Force′s Direction and the Question of Work Done During Rigid Body Rolling;
刚体滚动中静摩擦力方向的直观判断及作功问题
7.
The forces due to friction are called frictional forces.
由于摩擦而产生的力称之为摩擦力。
8.
The Direction of Static Frictional Force Exerted to Pure Rolling Rigid Body and Its Affectig Factors
刚体纯滚动时静摩擦力方向判定及其影响因素
9.
Study of Condition Description Method for Tribosystem Based on Tribology and Dynamics
基于摩擦学与动力学的摩擦学系统状态描述方法研究
10.
Friction gradually caused the sliding box to slow down and stop.
摩擦力使向下滑的箱子渐渐慢下来后停
11.
Friction, Erosion and Research Direction in MEMS
微机械电子系统中的摩擦磨损及研究方向
12.
Relationship of Grinding Textures and Surface Friction Coefficient of Common Steels
常用钢磨削纹理方向与其表面摩擦因数的关系
13.
frictional soil
内摩擦阻力大的土壤
14.
frictional prestress loss
摩擦引起的预应力损失
15.
pertaining to or worked or produced by friction.
关于摩擦或摩擦力，由摩擦或摩擦力产生。
16.
Friction coefficients corresponding to different direction combinations are measured,with a methodological suggestion on friction tests in fabric han- dle evaluation.
测定了不同方向组合的摩擦数系,并对织物风格评定中的摩擦试验方法提出了建议。
17.
The Friction Compensation Method in Servo System Using ANN
神经网络在伺服系统中进行摩擦力补偿的方法
18.
Test & research for friction betweer CC billet & mold
连铸小方坯与结晶器间摩擦力的测试与研究