So, it is the new method of researching welded structure fatigue damage process.

因此，它是一种研究焊接结构疲劳损伤过程的新途径。

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Therefore, it is necessary to analyze the mechanism of the fatigue damage of bridge expansion device and estimate its fatigue life by theories and experiment.

因此有必要通过实验及理论研究等工作，对公路桥梁伸缩装置进行疲劳破坏机理分析和疲劳寿命估算。

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Based on the fatigue cumulative damage models, a damage evolution equation for flexural fatigue of SFRPC slabs is set up.

结合原有的混凝土疲劳损伤模型，建立了预应力钢纤维混凝土板的疲劳损伤演变方程。

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In December Celgene won approval for its second drug, Revlimid, the product of a 13-year quest to develop a version of thalidomide that would be as potent against cancer but would lack most of the old drug's side effects, such as nerve damage and fatigue.

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These include fatigue, infertility, and damage to the lungs and heart.

BBC: Cancer survival: Macmillan hails major improvement

Early nerve damage caused by repetitive strain injuries can trigger "sick worker" syndrome--characterized by malaise, fatigue and depression, and often mistaken for poor performance, according to a new study published this month in the Journal of Neuroimmunology.

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