The formation of the structure's weakness position always due to the discontinuity of stiffness and the yield strength ratio.
结构薄弱部位的形成，往往是由于刚度突变和屈服强度比突变所造成的。
Using scaling tension test method simulated the effect of leveling elongations on yield strength ratio of hot dip galvanized dual phase steels.
研究了氮含量对热镀锌双相钢拉伸性能的影响，用定拉伸试验方法模拟了平整伸长率对热镀锌双相钢屈强比的影响。
The emphasis was put on the critical indentation depth with the influence of the yield strength ratio of the soft film to the harder substrate and the size of the indenter.
重点研究了平压头压入过程中，不同屈服强度比（软薄膜屈服强度与硬基体屈服强度之比）以及不同压头尺寸下硬基体对压痕规律的影响。
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