提出用三个特征参数描述气圈形态的方法，并选择出能够最有效反映张力变化的形态特征参数。
The method to describe the balloon shape with three characteristic parameters is put forward, and the parameter that can represent the tension change the most effectively is selected out.
在建立双气圈动力学模型的同时，对气圈的纺纱张力进行了全面和系统的理论分析，并找出了形态特征参数与张力之间的对应关系。
After obtaining the equation of a balloon, theoretical analysis of the tension was carried out, and the relation between the feature parameter of the state of a balloon and tension was obtained.
另外这些曲线还清楚地显示了“极限气圈”的存在，在生产中制约着气圈高度的最大极限和纱线张力的最低极限。
These curves also show the existence of the balloon limitation, which limits the Max balloon height and the min. yarn tension during the rings...
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