“odontopterids”的概念、定义、翻译、参考文献-科学参考

单词	odontopterids
释义	odontopterids Encyclopedia 理学古植物学释 odontopterids齿羊齿类一类常见于晚石炭世至早二叠世的种子蕨类植物，以小羽片基部下延，全缘或具裂齿，扇状脉，叶轴二歧分叉为主要形态特征。
随便看	similarity relation similarity rule similarity scale-up principles similarity search similarity searching similarity theorem similarity theory similarity transformation similarity transformation group similarity type similar linear representation similarly situated figures similar mappings similar matrices similar matrix representation similar operators similar ordered set similar permutation similar permutation groups similar permutation representation similar permutations similar polygons similar position similar projective representation similar quadratic form

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