然而，尽管眼疲劳可能会引起一些部位的疼痛或头痛，但它不会永久性地损害视力。
However, although eyestrain may cause some pain or headaches, it does not permanently damage eyesight.
疲劳是一个无可避免的老化的过程，但是像开口和接头这样的薄弱的部位可以使用胶粘剂粘合来代替铆钉和螺栓，并且用大的板材来铸造机翼。
Fatigue is an aging process that cannot be avoided, but weak points such as holes and joins can be reduced by using adhesives instead of rivets and bolts, and by casting wing skins in gigantic panels.
断裂面从轴承部位外部开始延伸到整个截面。典型的是从圆弧部开始，常常会由于疲劳而产生的裂纹的扩展后引起的。
Fracture lines start from the outside and spread over the whole cross section, particularly starting in the fillet area and very often after a fatigue crack propagation.
据此对一个飞机结构危险部位作了疲劳寿命分析和试验验证。
The analysis of fatigue life for one critical position of aircraft structure and test verification are carried out accordingly.
使用有限元分析测定的关键部位格林-拉格兰奇应变评价橡胶部件的疲劳破坏参数。
The Green-Lagrange strain at the critical location determined from the finite element analysis was used for evaluating the fatigue damage parameter of the rubber components.
由于履带板的载荷历程难以测试和载荷作用部位难以确定，疲劳寿命预测很难进行。
It is very difficult to predict the fatigue life of the creeper tread because both testing load history and fixing on load locations are not easy to realize.
因此，在飞机和其他结构的关键部位，采用冷胀孔技术是一种提高腐蚀环境下结构疲劳性能的行之有效的方法。
Therefore, it is an effectivemethod to improve corrosion fatigue property to use the hole cold-expansion technique in the aircraft and other structures.
本文通过对交叉杆扣板直焊缝、端头环焊缝等各部位裂纹的分析，找出了其断裂机理及与疲劳寿命的相关因素。
This article is to confirm the corresponding factors for crack causing and the fatigue life, through an analysis of cracks at fastening plate, welding seams at the end of frame brace.
从焊接部位局部应力集中的角度分析了不等厚板在不同焊接形式下的疲劳寿命。
The fatigue life of different welding shapes between plates of unequal thickness in pressure vessel was investigated from the point of local stress concentration at welding position.
搭接件是飞机结构中容易产生微动疲劳损伤的部位。
Fretting fatigue usually occurs in lap joints of aircraft structure.
通过综合不同类型连杆的疲劳破坏实例对疲劳破坏部位和断裂失效原因进行探讨，对连杆的设计和避免疲劳断裂失效具有一定的指导作用。
Synthesizing the cases of different types of fatigue, the article explores the locations and causes of failure which is useful for designing connecting rods and avoiding fatigue failure.
熔合线和焊趾处疲劳裂纹扩展速率较其他部位大。
The fatigue crack propagation rate of the fusion line and weld toe are greater than that of the others.
通常疲劳断裂的部位是在连杆上的三个高应力区域。
Usually the site of fatigue fracture in the connecting rod on the three regions of high stress.
本文通过疲劳寿命计算和试验，研究了结构连接部位的紧固件剪切刚度不同，对疲劳寿命的影响。
A fatigue life calculation and test was performed to investigate the influence of use of different-stiffness fasteners on structure fatigue life in repair area.
初步确定了花键轴的断裂是疲劳断裂，裂纹源在花键齿根底部过渡圆角曲率半径最小的表面部位。
We have made certain that the reason of the splined spindle rapture is fatigue failure, its crack initiation lies in the minimal knuckle curvature radius surface region of the spline dedendum bottom.
Boden说脂肪细胞正常情况下除了增加体重之外还会收摄人体多余的卡路里，但是它疲劳时或不正常时也会使该部位脂肪组织表现为应激状态。
Boden says routinely taking in more calories than the body can use not only leads to weight gain, but it also appears to stress the fat tissue to the point where it becomes fatigued and dysfunctional.
在钢的焊接结构中，疲劳裂纹几乎肯定从焊缝处开始产生，而不是其他细节处(或部位)。
In welded steel structures, fatigue cracks will almost certainly start to grow from welds, rather than other details.
研究结果表明，结构件之间的连接部位混合使用不同剪切刚度的紧固件，将会比较明显地降低结构连接部位的疲劳寿命。
The results indicate that the mixed use of different-shear stiffness fasteners will lead to obviously reduced structure fatigue life in attached area.
论述了表面疲劳裂纹检测在汽车修理中的重要地位，简单分析了疲劳断口的特征，重点讨论了汽车零件表面疲劳裂纹的发生规律及其常见部位。
The importance of examination of surface fatigue cracks in automobile repair is stated in this paper, and the features of fatigue fracture are briefly analysed.
发电站蒸汽管道的支管连接部位以及与之相连接的支管接管座处出现的热疲劳裂纹，严重影响了发电机组的安全运行。
The steam pipe and correlative branch pipe of power plant are detected to appear thermal diffuse crack, which influence the normal run of the generator severely.
纵肋与横梁交叉部位处横梁弧形切口周边疲劳裂纹是正交异性钢桥面板的主要病害之一。
Fatigue crack initiating at the free edge of cope hole in the crossbeam is one of primary defects for orthotropic steel deck.
计算得到平台结构关键部位中关键节点的疲劳可靠性指标，绝大部分数值都大于3，即安全概率接近于1。
The fatigue reliability indexes of key nodes in the platform key structure are mostly larger than 3, which means the safety probability of the platform structure is adjacent to 1.
在水疗治疗池旁边还有两个水池，它将缓解受伤部位的突然移动，同时有助于血液循环，消除肌肉的疲劳。
For contrast, there are two plunge pools by the side of the hydrotherapy pool which help reduce swelling in an injured limb as well as increase circulation and relieve 'tired' muscles.
这说明叶片不同部位的材料疲劳性能差异明显，在定向凝固涡轮叶片的结构、寿命设计中，需要考虑这种差异。
Therefore, the difference of fatigue property among different regions on a DS turbine blade should be considered in blade structure design and fatigue life prediction.
某型飞机前起落架后接头连接区为疲劳危险部位，必须准确地估计疲劳寿命。
The joint pontes of the front undercarriage of an aircraft is a fatigue critical part, its fatigue life has to be estimated exactly.
最后进行端墙各部位的损伤统计，分别按照AAR标准和BSEN1993-1-9标准估算端墙各部位的疲劳寿命。
Finally, carried on every position damage statics and carried out fatigue life prediction of endwall in accordance with AAR standard and BS EN1993-1-3 standard separately.
最后进行端墙各部位的损伤统计，分别按照AAR标准和BSEN1993-1-9标准估算端墙各部位的疲劳寿命。
Finally, carried on every position damage statics and carried out fatigue life prediction of endwall in accordance with AAR standard and BS EN1993-1-3 standard separately.
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