“acanthodians”的概念、定义、翻译、参考文献-科学参考

单词	acanthodians
释义	acanthodians Encyclopedia 理学有颌类释 acanthodians棘鱼类一类已灭绝的有颌脊椎动物，形似鲨鱼，具有硬骨鱼和软骨鱼的双重特征。
随便看	extensional set extensional structure extensional tectonics extension axiom extension calculus extension chain extension condition extension field extension filter extension frequency extension header extension ideal extension in phase extension integral domain extension module extension monad extension of a connection extension of a differential field extension of a division ring extension of a domain extension of a field extension of a function extension of a group extension of a Lie algebra extension of a mapping

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