This paper deals with the mechanism of the noise results from frictionofmotion. It also investigates primary influential factors and suggests a way to eliminate them.
本文论述滑动噪声的机理和影响滑动噪声的主要因素，并提出减少滑动噪声的途径。
2
The slightest motionof a patient in bed creates friction between skin and sheets and results in loss of cells from the skin's outermost layer.
卧床病人最轻微的活动就会在皮肤和床单之间产生摩擦力，结果就会引起皮肤最外层脱落。
3
The general low level offriction on ice allows a skater to glide along the surface smoothly without friction stopping the motion as soon as it's begun.