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单词
Pteraspida
释义
Pteraspida
网络
鳍甲鱼亚纲;鳍甲类
网络释义
1.
鳍甲鱼亚纲
异甲鱼亚纲(Helerostraci)或
鳍甲鱼亚纲
(
Pteraspida
),头区包裹在甲胄中,组成甲胄的骨片数目变化较大。基本形式是, …
baike.baidu.com
2.
鳍甲类
鳍甲类
(
Pteraspida
)又称作鳍甲鱼亚纲,物种头区包裹在甲胄中,组成甲胄的骨片数目变化较大。基本形式是,头区背面为一 …
baike.baidu.com
例句
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Forest Fire Research Institute
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forest floor
forest floor
forest fly
forest for community
forest for conservation of water supply
forest for gully protection
forest form
forest form-factor
forest form height
forest form map
forest for protecting slopes from soil erosion
forest for protection against soil denudation
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更新时间:2026/8/30 18:21:53