A modifying coefficient of load frequency is used to describe the effect of load frequency on fatigue behavior in ultrasonic fatigue testing.
采用一个超声加载频率修正系数对超声疲劳性能试验中载荷频率对疲劳性能的影响进行修正。
Conclusion: the Hongxue tea mixture has an obvious effect on the strengthening the adaptability of muscular exercises load and resisting fatigue growth and accelerating fatigue elimination.
结论：红雪茶混合物对增强机体运动负荷的适应能力，抵抗疲劳产生和加速消除疲劳等方面具有明显作用。
They may subject to corrosion fatigue damage owing to the effect of random load imposed upon by sea waves, etc.
海浪等随机载荷的作用可能使立管产生腐蚀疲劳破坏。
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