The results show that the stress-strain curves are significantly affected by the strain rate history, and this effect must be accounted for in the study of material constitutive relations.
研究结果表明：特别是在较高平均应变率下，应变率历史对试件材料的应力应变曲线有明显的影响，在材料动态本构关系研究中应当考虑应变率历史的影响。
The dynamic strength of the concrete is related to the strain rate as well as to other factors such as strain history.
混凝土的动态强度既与应变速率有关，也与应变历史等其它因素有关。
The dynamic strength of the concrete is related to the strain rate as well as to other factors such as strain history.
混凝土的动态强度既与应变速率有关，也与应变历史等其它因素有关。
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