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本文对甘肃地区旱獭皮组织结构特点进行了研究。
In this paper the characteristics of histological structure of marmot skin fronl Gansu province was studied.
youdao
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本文对甘肃地区旱獭皮组织结构特点进行了研究。
In this paper the characteristics of histological structure of marmot skin fronl Gansu province was studied.
youdao