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儒艮
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儒艮
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儒艮
海牛目儒艮科儒艮属的唯一现生种。
理学
海洋珍稀濒危物种
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儒艮
潜栖性海洋哺乳动物,分类地位上属于哺乳纲、兽亚纲、海牛目、儒艮科、儒艮属。又称海牛、人鱼、美人鱼、南海牛。
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The Outline of Medium and Long Term Planning of National Education Reform and Development (2010—2020)
The Outline of Museology
the outline of the national territorial planning(2016—2030)
Theo van Doesburg
The Overall Design of Museum Display
the overall responsibility system of the director of the state-owned farm
The Overcoat
the Overview of Chinese Garden
The Owen Falls Reservoir
The Owl in the Room
The Owl Who Married the Goose
The Owner of Wuwang Village
The owners' committee
the ownership of the house
The Oxford Guide to Practical Lexicography
The Oxford Handbook of Screendance Studies
The Oxford History of South Africa
the oxygen group elements
the Pacification Commissions
The Pacific Islands: An Encyclopedia
The Pacific Rim Research Libraries Alliance
The Pageant of Peking
The Painted
The Painted Skin
the painting atlas of Beijing Custom
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