The reasons, which result in over length fiber, double length fiber, crimp ratio waving and specific resistance rising, were discussed.
探讨了生产涤纶短纤维过程中产生超长、倍长纤维，卷曲率波动和比电阻升高的原因。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
通过对图像瞄准系统中的畸变分析，提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
通过对图像瞄准系统中的畸变分析，提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
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