假设当两个接触面处于相对滑动的临界状态时，切向力与垂向力成正比。
Provided two contact bodies are in the critical state of relative sliding, the tangential force is proportional to the vertical force.
阻尼器经过几年的运行以后，阻尼器内部的液压介质、密封件也会发生不同程度的老化，相对滑动的零件之间也会产生不同程度的磨损；
After several years' operation, hydraulic medium and sealing elements inside the damper also have different degrees of aging, and abrasion is also caused among relative sliding parts;
而保证一个平面沿着另一个平面相对移动的力称为滑动摩擦力。
The force which must be overcome to keep one surface moving over another in known as sliding friction.
推导了渐开线内齿轮副相对滑动率的计算公式。
The relative sliding ratio formulas of an involute internal spur gear pair are developed.
磨损失效系指表面之间的相对滑动摩擦导致其工作表面金属不断磨损而产生的失效。
Wear failure refers to the relative sliding friction between the surfaces causes the surface of the metal continue to wear their work arising from the failure.
找一个相对平坦的坡，开始向山下滑，滑动平缓而安全。
Find a relatively flat slope, start skiing downhill, make sure to make your movements smooth and controlled.
提出并应用了柔性转子的概念，使定子、转子在接触面上的径向相对滑动大为减小。
The idea of flexible rotor is presented for decreasing slide friction on the contacting surface of the stator and the rotor.
测量结果表明，在极低速状态下，仪表齿轮齿面间的摩擦系数几乎与齿面间的作用力无关，但随齿面相对滑动速度的增加而线性增加。
Results show that the frictional factor almost has nothing to do with applied forces, but increases linearly with the sliding speed between the tooth faces.
轮轨的相对滑动速度越高，其热效应越明显。
为解决产层套管的弯曲问题，通过建立压实、出砂引起的弯曲套管的力学模型，来解释部分层段产生相对滑动以及弯曲的机理。
To solve the problem, this paper establishes a mechanical model of casing bend to explain the relative slipping and casing bend mechanism for some layer segments.
前伸张器采用磁粉制动器线性的提供张力，解决输送带与阻尼辊间的相对滑动；
The front stretcher adopts magnetic powder breaker to provide linear tension, to solve the relative slip between conveyor belt and damping roll;
介绍了作者研制的双层滑片压缩机，这种压缩机的每个滑片槽内都安放两块重叠而又可以相对自由滑动的滑片。
The developed twin piece vane compressor was presented, in which free movable double vanes are assembled in each slot machined in the rotor.
峡部裂有时会引起腰椎滑脱，这时一个椎体相对于其下方的椎体向前滑动。
Spondylolysis sometimes causes spondylolisthesis, which is when one vertebra slips forward on the vertebra below it.
该装置由基座(2)和滑动件(3)组成，它们能够彼此相对的以可控的方式进行设置并且紧固以防止扭曲。
The appliance consists of a base (2) and a slide (3) which can be displaced in relation to each other in a controlled manner in such a way that they are protected against rotation.
然后，根据上限定理可以求得与滑动机构相对应的极限外载荷，并通过非线性数学规划法找到其最小值。
The limit external load could therefore be solved from the upper bound limit theorem, and its minimum value could be obtained from the optimization method.
直接与间接的对比都提示滑动螺钉相对于多根松质骨螺钉可能的好处在于减少翻修手术。
RESULTS: Both indirect and direct comparisons suggest a possible benefit for a sliding hip screw over multiple cancellous screws in reducing the need for revision surgery.
鉴于此，研究了预应力锚索地梁中合理确定锚固角的方法，提出以锚索地梁和坡面岩体间不发生相对滑动为初判条件；
Therefore, some slopes cannot be reinforced efficiently by foundation beam with prestressed cable because of the unreasonable designed anchorage-angle.
蜗杆可获得很大的降速比，但是存在严峻的相对滑动。
A worm and worm wheel gives a large speed ratio but with significant sliding.
蜗杆可获得很大的降速比，但是存在严峻的相对滑动。
A worm and worm wheel gives a large speed ratio but with significant sliding.
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