In some cases, the continuous distribution model of fatigue failure life and stress amplitude level is more valuable in analyzing the damage of ponogena under complicated stress.

在某些情况下，如进行复杂应力条件下的疲劳素损伤分布分析，疲劳失效寿命和应力幅水平的连续分布模型更有意义。

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Number of failure cycles is calculated depending on fatigue life prediction equation based on the energy analysis.

通过基于以能量为基础的疲劳寿命预测公式预测焊点的失效循环数。

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Due to structure peculiarity, design principle, failure form and worn examples, pointed a better method to delay fatigue life of gear surface.

针对齿轮的结构特点、设计原则、失效形式及各种破损实例，指出了当前提高齿轮表面疲劳寿命的最有效方法。

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