交变应力周期 alternating stress cycle ; switching stress cycle
应力周期 stress cycle ; cycle of stress
周期性应力 cyclic stress ; CSSOT
重应力周期 repeated stress cycles
应力周期变化 cyclic variation of stress ; stress cycling
周期性牵张应力 cyclic tensile strain
反复应力周期 cycle of stress reversal
连续周期性拉应力刺激 Continuous Cyclic Mechanical Tension
研究结果表明，前叉立管在周期应力作用的环境中使用，非常容易形成疲劳裂纹，由此导致了摩托车前叉立管的断裂现象。
The investigation shows that the vertical shaft of the front fork is subject to fatigue flaw due to the cyclic stress, which leads to the fracture of the vertical shaft.
一个咀嚼周期结束时，牙周膜有残余应力存在。
There is some level of residual stress left after one mastication period.
本文采用一种边界积分方程法，计算了共线周期反平面裂纹的动应力强度因子。
In this paper, a boundary integral equation method is applied to compute the dynamic stress intensity factors of collinear periodic antiplane cracks.
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