最后分析在恒幅疲劳载荷作用下，不同的最大凹陷深度和凹陷影响区域的长度对楔形凹陷立管的疲劳寿命的影响。
Finally, the effect of different maximum depth and length of the dent on the fatigue life of dented riser under the constant amplitude fatigue loads was studied.
这一将复杂载荷历程简化为一些恒幅事件的过程，称为循环计数。过程，称为循环计数。
This process of reducing a complex load history into a number of constant amplitude events is termed cycle counting.
进行了恒幅谱载荷及程序块谱载荷下加筋板多裂纹的扩展试验研究。
Experimental studies for crack growth of stiffened panels with multiple cracks were performed under both constant-amplitude load and program block spectrum load.
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