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总结了纤维长度测试中几种不同的取样方法及基本要求,分析比较了它们的优缺点.指出当纤维条各端修齐后,累计拔取纤维长度L达到纱条主波长的一半时,已基本能满足对取样的要求.“,”various of samping methods and its basic requirements in course of testing fibre length are summarized.Meanwhile,its advantages and defects are compared in this paper.When both end of top are repaired evenly and pulled fibre length L reaches the half of main wavelength of yarn,sampling require-ments can be met on the whole.