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lan jing tou
Pages: 79
Year: Issue:  4
Journal: Ocean World

Keyword:  西太平洋 斑海豹 海水 生殖 哺乳 蠕虫 换毛 蠕动 冰块 前肢;
Abstract: <正>西太平洋斑海豹一生的大部分时间是在海水中度过的,仅在生殖、哺乳、休息和换毛时才爬到岸上或者冰块上。登陆后只能依靠前肢和上体的蠕动,像一条大蠕虫
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