According to the given experimental constant amplitude fatigue life group data, the three parameter exponential function equation can be adopted to describe the constant fatigue P-S-N curve.
对于给定的等幅疲劳成组试验数据，利用三参数幂函数方程来描述P - S - N等幅曲线。
The fatigue life of the welding structure exhibits an exponential decay function of the welding Angle.
焊接件疲劳寿命与焊接角之间呈现出指数衰减关系。
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