阐述了应力分析可靠性预计的作用与意义。
The function and implication of stress analysis for reliability prediction is introduced.
利用引伸计拉力试验中的规定总延伸强度可以评价灰铸铁的拉压疲劳极限，也可以利用该数值作为预计的疲劳极限，用于拉压疲劳试验应力水平的选取。
The proof strength can be used to evaluate the tension-compression fatigue strength of gray cast iron, and also used as the stress level of the tension-compression fatigue test.
采用应力分析法对系统进行了可靠性预计和维修性预计。
And pre-estimates the system reliability and maintenance by adopting the stress analyzing method.
引入概化地应力概念，导出了构造应力作用下地表变形的预计公式体系。
Thus the concept of tectonic stress general changed stress must be introduced into the anticipate formula system of tectonic stress ground surface subsidence caused by underground excavation.
引入概化地应力概念，导出了构造应力作用下地表变形的预计公式体系。
Thus the concept of tectonic stress general changed stress must be introduced into the anticipate formula system of tectonic stress ground surface subsidence caused by underground excavation.
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