The die surface is represented by the Ferguson surface with tension parameter through transverse sections of product and billet, so it is universal and flexible.
模具曲面用通过毛坯和型材截面的带张力参数的弗格森曲面表示，具有通用和曲面形状变化丰富的特点。
Semithin transverse sections of sural nerve showed a decreased density of large myelinating fibers and a large number of clusters of mostly thinly myelinated axons.
腓肠神经半薄切片未见明显洋葱球样结构形成，可见有髓纤维密度明显减少，大量薄髓鞘有髓神经纤维和有髓神经纤维再生簇形成。
Results The morphological characteristics and the law of variation of the structure, relation, blood vessels and nerves of all transverse sections of feet were observed.
结果观察了各断层的形态、结构、毗邻关系及血管神经等的特征及其变化规律。
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