不应该允许它接触地面或地板，以及与物体摩擦。
It should not be allowed to touch the ground or floor, nor to brush against objects.
若摩擦系数真的，与接触面积没有关系，那么两者下滑时的角度，应该基本相当。
If indeed the friction coefficient is independent of surface area, then when I tilt them they should start to slide roughly at the same Angle.
物体表面越粗糙不平，它的分子就越容易更多地与接触表面的分子相粘合，因此就会产生更大的摩擦力。
The more rough and jagged something is, the more easily more of its molecules will come into contact with molecules on the surface it touches, and thus the greater force of friction they will exert.
在默认模型里，定义摩擦系数为等效滑移率和接触压力的函数。
In the default model the friction coefficient is defined as afunction of the equivalent slip rate and contact pressure.
当垂直刀架下降时，由于摩擦力阻碍其下降，使丝杆的上螺旋面螺母的下螺旋面相接触，丝杆螺母的间隙在下面。
When the vertical turret decline, due to friction hinder its decline, the screw on helical screw nut under the physiognomy contact screw nut in the space below.
如果我们这样做了，会发现两接触面间的滑动摩擦力也加倍了。
If we do so we find that sliding friction between the surfaces in also doubled.
现有工程机械通常采用接触摩擦片式离合器，这种装置的传递扭矩难以实现无级连续调节。
In construction machinery and equipment, contacting friction disk clutches are mostly used, by which the torque transferred cannot be adjusted easily and continually.
从理论上分析了滑动摩擦对接触变形的影响，给出了压陷量的修正公式，并通过试验加以验证。
This paper analyzes the influence of sliding friction on contact deformation in theory and demonstrates it by means of test.
文中以一菌型叶根为对象，分析了界面摩擦系数和初始间隙对接触力分布、载荷分配及最大应力的影响。
Aimed at a straddle blade root, the influence of the interface friction coefficient and initial clearance on the contact force distribution, load distribution and the maximum stress is analyzed.
对于船艏高能搁浅的情况，损伤路径会向船体外侧偏离，船舶与礁石之间的接触由剧烈的冲击逐渐过度到侧向挤压和滑动摩擦；
For bow hard grounding, damage path will go toward the side of ship hull, and the contact between the ship and the rock will change gradually from intense impact to lateral press and slip friction.
通过算例，讨论了桩型及桩土接触面上的摩擦角对散体材料桩及其复合地基极限承载力的影响。
The influence of the pile type and the friction angle of the contact surface on the limit bearing capacity of the piles and the composite foundation is discussed with an example.
水钉的作用，使土钉体外表面与土体界面接触粘结力与摩擦阻力显著降低。
By action of water to nail, Bond between soil and nail a was obviously reduced.
这是橡胶接触地面的部分。鞋底的设计会影响你在硬地和土场上的摩擦力。
This is where the rubber meets the road. The outsole's design affects the traction you'll get on hard and clay courts.
总的粘着摩擦系数被表示为弹性接触区与塑性接触区的粘着摩擦系数的组合。
The total adhesive friction coefficient is expressed as a combination of adhesive friction coefficients in elastic and plastic contact regime.
本文提出了一种基于迭代技术的边界元法求解三维无滑动摩擦型弹性接触问题。
A boundary element method based on an iterative technique for solving the three-dimensional elastic contact problem without sliding is presented.
该方法能够方便地计算接触面非线性摩擦力，考虑响应的高次谐波以及叶片高阶振型的影响。
This method can calculate the nonlinear friction force conveniently and can consider the effects of the blade high modes and the high harmonics of the blade responses.
多层圆柱结构的接触预紧问题，涉及到几何非线性和材料非线性以及接触面上摩擦力的影响。
The contact pretension between the layers of cylindrical structure concerns the non-linearity of geometry and material, as well as the influence of interface friction.
应用统计学方法对静态接触面积与动态摩擦力进行了相关分析，结果表明二者具有显著水平的线性相关关系。
Statistic method is used to analyze the correlation between static contact area and dynamic friction force. The results clarify that there is a linear correlation with significant level.
此外还分析了磨砂玻璃板接触面积与摩擦系数的关系。
Besides, the relationship between the contacting area and the glide friction was analyzed and discussed.
对比例加载时弹性体压剪裂缝的变形及接触摩擦力问题进行了研究。
The deformation and contact frictional force of elastomer pressure shear break are studied in proportion loading .
接触问题是摩擦学问题分析中重要的一部分，由于接触问题的非线性，使得工程分析研究较为困难。
Contact problem is an important portion in the tribological problem analysis, because the non linearity of contact problem makes the engineering analysis and research relatively difficult.
由于惯性筒上的曲折槽与销间的为线接触甚至点接触，因此针对此处较为特殊的摩擦系数进行研究。
Because of the line contact or even point contact between zigzag slot and pin, its friction is different and needs to be studied.
在默认模型里，定义摩擦系数为等效滑移率和接触压力的函数。
Thetransition between static and kinetic friction is defined by the values given at intermediate slip rates.
根据M - B分形接触模型时静摩擦系数进行预测。
M-B fractal contact model is used to predict the static friction coefficients in this paper.
协调保持世界各地的摩擦学学术团体之间的联系和接触。
To maintain a live continuous contact between tribology and kindred societies and groups anywhere in the world.
通过算例讨论了桩型及桩土接触面上的摩擦角对散体材料桩及其复合地基极限承载力的影响。
The influence of the pile shape and the friction angle of the interface on the limit bearing capacity is discussed by an example. It indicates that…
气浮导轨是借助有一定压力的空气使工作台悬浮，并且不与导轨表面接触的一种导轨形式，工作时的摩擦力几乎为零。
Aerostatic slideways can make the worktable hanging by the aid of the definite stressed air, which don't come in contact with the slideways surface so that there isn't nearly friction working.
零摩擦系数意味着没有剪力发生，且接触面自由滑动。
A zero friction coefficient means that no shear forces will develop and the contact surfaces are free to slide.
零摩擦系数意味着没有剪力发生，且接触面自由滑动。
A zero friction coefficient means that no shear forces will develop and the contact surfaces are free to slide.
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