Althoughthe porosity of spongy tissue increased, no significant changes of spongy tissue thickness and spongy parenchymatous cell shape were observed.
海绵组织孔隙度增加，但海绵组织厚度、海绵细胞形状变化不大。
The shape changes of cortical cell of yak hair fiber have been analyzed before and after stretching slenderization by means of ultrasonic separation.
借助超声分离技术，对细化前后牦牛纤维皮质细胞形态的变化进行分析，发现纤维皮质细胞被拉长变细且不发生细胞间的滑移。
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