The paper fist deduced the mathmatic formula of irregularity relationship between ply yarn and single yarn, then analysed the evenness of single yarn effected on the property of ply yarn.
文章首先从理论上推导出股线和单纱不匀率之间的数学关系式，然后利用试验数据分析了单纱条干不匀率对股线性能的影响。
The paper fist deduced the mathmatic formula of irregularity relationship between ply yarn and single yarn, then analysed the evenness of single yarn effected on the property of ply yarn.
文章首先从理论上推导出股线和单纱不匀率之间的数学关系式，然后利用试验数据分析了单纱条干不匀率对股线性能的影响。
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