球轴承，有时汽车零件也是按有限寿命设计的。
Ball bearings, and sometimes automotive parts, are designed on the basis of finite life.
为室内程序疲劳试验谱、有限寿命设计谱和静强度校核提供了可靠的依据。
These results have been provided the essential data for programme fatigue testing and optimal design spectrum and static strength proof.
根据计算结果，应用齿轮有限寿命设计理论对齿轮疲劳寿命进行计算，得到齿轮的接触应力和疲劳寿命。
According to the calculation results, the fatigue life of gears is calculated by limited life design theory and the contact stress and fatigue life are obtained.
应用推荐