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。

In designing a machine it is necessary to reduce friction as much as possible.

在设计一种机器时, 必须尽可能减低摩擦。

This insect makes its strange noise by rubbing its back legs together.

这只昆虫摩擦它的两条后腿发出一种奇怪的声音。

The continuing activities, has the friction with clothes to affect flesh's eupnea, becomes dry.

经常活动，与衣服产生摩擦而影响肌肤的正常呼吸，变得干燥。

When Joan returned to work, the friction between them increased.

琼回来工作后, 他之间的摩擦加剧了。

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住。

There is some friction among the family members.

家庭成员间有些摩擦。

He rubbed his limbs vigorously to get the blood circulating.

他用力摩擦四肢让血液循环开来。

The journal rubs against the bearing surface.

轴颈在轴承面上摩擦。

He has had a few brushes with them.

他曾与他有摩擦。

Semimetal Brake Materialsconsist of reinforcing fiber,friction element,lubricste elementand polymer.

半金属制动料是由强纤维、、摩擦组元、润滑组元和树脂组成的。

I can’t bear the sound of chalk scraping on a blackboard.

我受不了粉笔在黑板上摩擦时发出的刺耳声音。

The worn surface morphology of ADZ ceramic was analyzed with a scanning electron microscope.

与去离子水相比,在小牛血清润滑条件下ADZ陶瓷的摩擦因数和磨损率降低。

In order to overcome the disadvantage of low rubfastness of conventional pigment dyeing , a new type covering pigment with ultramicro azo dye as core and acrylate adhesive as shell was presented.

为克服常规涂料染色摩擦牢度低的弊病,作者提出采用以超微偶氮颜料为核,以丙烯酸酯类粘合为壳的新型颜料包覆体染色新的探索途径。

Close up, the workmanship that went into each ripple and shadowy layer of tulle was inimitably precious, yet somehow the designers successfully dodged the hazard of veering into overdone froufrou.

走进看看这些华服吧，每一个褶皱、每一片薄纱上的装饰物都以一无二的手工缝制而成，而你更无法想象设计师又是如何巧妙地避免了这些装饰物相互摩擦而发出过度的声响。

This paper introduces a new designing scheme for multi-axial drill machine to make the friction disk of automobile clutch,the structure of the machine and the principles of its cybernation.

介绍了汽车离合器摩擦片多轴钻床的设计方案、结构和控制原理。

Wash daily with a mild soap and water. Use your hands rather than a facecloth so that you don't risk damaging the skin by rubbing too hard.

每天用柔性的香皂洗脸，宁愿用手洗脸，也不要用毛巾洗脸。那样皮肤就不用担心由于摩擦过大而受到伤害了。

In order to study the influence of structural parameters on the optimal normal load, a microslip model was used to formulate the nonlinear dry friction force.

摘要为了研究阻尼结构参数对阻尼叶片最优正压力的影响，基于微滑移模型，推导出了阻尼器非线性干摩擦阻尼力的计算公式。

Experts said China's sidelining, for now at least, of the graver espionage claims may signal an effort to reduce political friction with Australia over the matter.

专家说，中国的靠边站，至少目前，在严重的间谍索赔可能的信号，以减少政治摩擦与澳大利亚对此事的。

Coupling agent is used to microencapsulate red phosphorus.The DTA tests, friction sensitivity tests and hygroscopic tests have been used to evaluate the stability of red phosphorus.

选用偶联包覆赤磷,进行了DTA试验,吸湿性试验,摩擦感度试验。