The histological structure of ostrich skin is studied.
对鸵鸟皮及成革的组织结构进行了研究。
The multifunction magnetic fiber of skin-core structure material is studied .
研究一种具有皮芯结构的磁性纤维材料。
Grain and structure of the skin have to be visible.
皮的纹路和结构应该显而易见的。
Grain and structure of the skin have to be visible.
皮的纹路和结构应该显而易见的。
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