It was considered that the mechanical properties of PAN precursor was better when the orientation degree in crystalline region and overall orientation factor were about 0. 9 and 0.8, respectively.
综合考虑取向因子对纤维结构性能因素的影响，认为PAN原丝晶区取向因子约为0.9、总取向因子约为0.8时，纤维力学性能较好。
It was considered that the mechanical properties of PAN precursor was better when the orientation degree in crystalline region and overall orientation factor were about 0. 9 and 0.8, respectively.
综合考虑取向因子对纤维结构性能因素的影响，认为PAN原丝晶区取向因子约为0.9、总取向因子约为0.8时，纤维力学性能较好。
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