对存在屈服点不明显问题的热轧带肋钢筋的化学成分和组织进行了分析，提出了改进措施。
The chemical components and microstructure are analyzed for the hot-rolled reinforced bar, of which the yield point is not so clear, some measures proposed.
必须强调的是，没有明显的屈服点并不意味材料有较低的韧性。
It must be emphasized that the absence of a definite yield point does not in itself imply that the material has a low ductility.
结果表明 ：其应力—应变曲线表现出屈服点低、连续屈服、没有明显的屈服点等特性 ；
The stress strain curves displayed the characteristics of low yield point, continuous yield and no obvious yield point.
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