寿命

This kind of not balanced centrifugal action of force will cause the vibration on the bearing, this kind of vibration can have the noise and the acceleration bearing wears, thus influence work piece grinding quality and serious influence grinder's service life.

这种不平衡离心力作用在轴承上会引起振动，这种振动会产生噪声和加速轴承磨损，从而影响工件的磨削质量和严重影响磨床的使用寿命。

Comparing with satellite and aerocraft,stratospheric balloon-borne gondola get an advantage of low cost,long life,low risk etc.,so it has a good future to replace satellite and aerocraft to a degree applied to the field of telecommunication and aerospace science research.

具有成本低、寿命长、风险小等优点，在一定程度可取代成本高昂的卫星和空间飞行器。用于通信领域和空间科学研究领域，具有十分广阔的应用前景。

Jun companies are relying on sophisticated tools in Taiwan's Changhua with the production base has been 20 years in the thread cutting tool manufacturing experience to provide timely to clients, there Jun products include silk thread attack, thread cutter, sheet metal screw hinge (Banya , Pill-ju), dental sheet metal films, the cutting tools have been cut from the blade angle gap with knives and special materials are selected tungsten steel materials, life expectancy than the average 10 times the number of long knives.

公司依托有晙精密工具在台湾彰化设有的生产基地已有二十于年生产制造螺纹切削刀具经验，能够及时提供给客户的有晙产品包括螺纹丝攻、螺纹铣刀、螺纹铰钣、牙钣片，各项切削刀具都经过切刃离隙角处理，且刀具材质均选用特殊钨钢材质，寿命比一般刀具长数十倍。

As described in this paper, basing on the stress concentration factor and the equations given by Craeger and Barnby, a mathematical expression Ni=B(1/2π/2⊿σ_~m is derived for calculating the initiation life of fatigue cracks for the externally short notches on the fitted axles caused by the application of bending stresses.

本文根据Craeger公式、Barnby公式及缺口应力集中系数，导出了浅缺口在弯曲应力作用下的疲劳裂纹萌生寿命的表达式：。

In the fourth chapter, all the calculating equations of fault vibration frequency of gear shafting components of gear unit are summarized and the calculating equations of fault vibration fiequency of commonly used barrel-shaped roller bearing are deducted.

另外，为了防止齿轮减速机在工作时发生突发性事故和更好地延长齿轮轴系部件的寿命，需对具体的齿轮减速机设备进行在线监测和智能故障诊断方面的研究。

Finite element method is employed to analyze to the effect of asphalt pavement with changing thickness and modulus of semi-rigid base course.

利用有限元法，通过改变半刚性基层的厚度和弹性模量对沥青路面的影响，分析得出了适当的增加半刚性基层的厚度、底基层的厚度和底基层弹性模量，可以提高路面的力学性能和使用寿命，但是当基层的强度达到一定的强度后，再增加它的强度对路面的影响不是太大。

None is more deadly than the basilisk. Capable of living for hundreds of years...

这其中没有比蛇怪'巴斯里斯克'更致命的了，它的寿命可达数百年。。。

A basilisk can live for at least 900 years given an adequate food supply, and as it can eat most vertebrates, this is not difficult to achieve.

只要有足够的食物，蛇怪的寿命至少有九百年，而凡是脊椎动物它们都可以吃，因此这点很容易做到。

Apart from its specific magical powers and long lifespan, many of the characteristics of the basilisk follow naturally from its being a serpent.

除了它特有的魔力和极长的寿命，蛇怪的很多特性来自于作为毒蛇的天性。

That is because the turtle long life, the saying goes:"Millennium bastard, years of turtle boss"; turtle again, and your pronunciation is almost, so it is not only a symbol of the turtle,"Shou", also on behalf of "expensive."

那是因为乌龟寿命长，俗话说："千年的王八，万年的龟"嘛；龟又和贵的发音差不多，所以这乌龟不仅象征"寿"，还代表"贵"。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。