在定性分析的基础上，通过建立数学模型，对某混凝土坝压应力计观测资料进行了定量分析。
Based on qualitative analysis, the observational data of compression stress metre in a concrete dam have been analyzed quantitatively in this paper by mathematical mode.
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.
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