以下为句子列表：
英文: At the same time, the PUR foam plastics has some brittle features and its stress-strain curve is obviously nonlinear characteristics when it is deformed.
中文: 在拉伸加载下泡沫塑料具有明显的脆性变形特征，其应力－应变曲线存在明显的非线性。
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英文: In addition, the theoretical prediction of modulus and strength for PUR foam plastics were given, and the predicted results are basiclly in agreement with experimental ones.
中文: 此外，文中对泡沫塑料的模量和强度进行了理论预测，预测值与实验值基本一致。
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英文: The experimental results show that the strain rate effect of PUR foam plastics is not obvious, but its temperature effect is quite obvious under tensile loading.
中文: 实验结果表明：高密度硬质聚氨酯泡沫塑料在拉伸加载下应变率效应不太明显，但温度效应却十分明显。
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英文: The tensile mechanical properties of PUR foam plastics as well as its strain rate effect and temperature effect were investigated by means of tensile experiments.
中文: 摘要对高密度泡沫塑料进行了拉伸实验，研究了材料的拉伸力学性能，并考虑了应变率效应和温度效应。
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英文: The Research of Foam Plastics Sculpture Technology Used in the Making of Ostrich Shape Specimens
中文: 泡沫塑料雕塑技术在鸵鸟形态标本制作中的应用研究
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