总结出剪切屈服强度和拉伸屈服强度，最大剪切强度和抗拉强度之间的关系。
Draw the conclusion that the relationship between the shear yield strength and yield strength, between the ultimate shear strength and the ultimate strength.
结果表明：PVC的拉伸屈服强度随外力作用速度的提高而提高，断裂伸长率却随之下降。
The results showed that with the the increase of outside force velocity, the tension yield strength of PVC increased, but its breaking elongation decreased.
采用拉伸屈服强度定量表征了界面相互作用的强弱，研究了界面相互作用对三元复合体系拉伸断裂形态的影响。
Tensile yield strength was used to quantitatively evaluate the interfacial interactions, which have significant influence on the tensile fracture morphology of the composites.
结果表明，随筛板孔距的增加，其拉伸强度、拉伸屈服应力及拉伸断裂应力均提高；
The results showed that tensile strength, tensile yield stress and tensile breaking stress were increased with the increase of bore distance;
结果表明，随筛板孔距的增加，其拉伸强度、拉伸屈服应力及拉伸断裂应力均提高；
The results showed that tensile strength, tensile yield stress and tensile breaking stress were increased with the increase of bore distance;
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