在试验数据的基础上，根据统计学原理，拟合出完整的C - R - S -N曲线，并获得各种可靠度下的弯曲疲劳曲线，从而为国产材料齿轮设计提供了必要的基础数据。
On the basis of test count, the complete C-R-S-N curve is worked out according to the principle of statistics. so as to provide basic data for gear design.
运用可靠性方法，基于概率分析设计了单轴和双轴疲劳可靠性试验，得到了套管柱的单轴和双轴概率疲劳特性，推导出套管钻井的P — S —N 曲线方程。
The reliability tests both the axial fatigue and the biaxial fatigue of casing strings were designed by means of examination and numerical simulation, and the P-S-N curves were obtained.
按照脸部曲线采用人体工程学设计，长时间佩戴无疲劳感。
Face curve in accordance with ergonomic design, long wear without fatigue.
在给定与疲劳寿命有关的各参数条件下求得动态可靠性曲线，从而在结构设计中根据可靠性要求确定或选择设计参数。
Under the condition of the statistical parameters related to fatigue life of the structure, such as the initial crack length, the material toughness used, and the load acting on the structure being g…
在给定与疲劳寿命有关的各参数条件下求得动态可靠性曲线，从而在结构设计中根据可靠性要求确定或选择设计参数。
Under the condition of the statistical parameters related to fatigue life of the structure, such as the initial crack length, the material toughness used, and the load acting on the structure being g…
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