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hai shou zhong zhong
Author(s): 
Pages: 20
Year: Issue:  6
Journal: Ocean World

Keyword:  哺乳纲海兽体长近海岸蓝灰色鲸目海豹科鳍足目海象世界;
Abstract: <正> 蓝鲸亦称"剃刀鲸"。哺乳纲、鲸目、鲤鲸科。体长达20~25米,有时达30多米,是世界上最大的海兽,也是现存最大的动物。体通常为蓝灰色,有白色斑点。喉胸部有58~120条褶沟,口中每侧有鲸须270~395条,黑色。在近海岸处食浮
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