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The cortical cells didn't present orthocortex and paracortex, which is different from wool fiber.
与羊毛纤维不同，粗牦牛尾毛纤维皮质细胞中不存在正副皮质之分；
youdao
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The cortical cells didn't present orthocortex and paracortex, which is different from wool fiber.
与羊毛纤维不同，粗牦牛尾毛纤维皮质细胞中不存在正副皮质之分；
youdao