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分析了直升机承受高周疲劳载荷的特点及其关键动部件的高周疲劳特性,阐述了直升机使用飞行谱、疲劳载荷谱的编谱思想及疲劳寿命的评定方法。
The characteristics of helicopter under high cycle fatigue loading and the high cycle fatigue characteristics of its key moving parts are analyzed. The method of designing spectrum and fatigue life of helicopter using flight spectrum and fatigue load spectrum is expounded.