引入对数应变，将小变形弹塑性理论移植到有限变形理论之中，形成了一套精确的有限变形弹塑性理论。
An accurate finite deformation elastoplastic theory based on the logarithmic strain is transplanted from infinitesimal deformation elastoplastic theory.
图78中应力-应变数据的一个重要情况是在双对数座标上图线的直线性。
An important aspect of the stressstrain data in Fig. 78 is the linearity of the log-log plots.
累积塑性应变能随着加载频率及应力水平的增加而增加，与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
结果表明，极限抗压强度与负温和应变率的对数均呈正比例关系；
Test results show that the ultimate compressive strength of the polycrystalline ice is directly proportional to the temperature and also to the logarithm of strain rate.
结果表明，极限抗压强度与负温和应变率的对数均呈正比例关系；
Test results show that the ultimate compressive strength of the polycrystalline ice is directly proportional to the temperature and also to the logarithm of strain rate.
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