“sphenopterids”的概念、定义、翻译、参考文献-科学参考

单词	sphenopterids
释义	sphenopterids Encyclopedia 理学古植物学释 sphenopterids楔羊齿类晚古生代以小羽片基部为楔形或者柄状为形态特征划分的植物类群，部分为真蕨类植物，其他则为种子蕨类植物。
随便看	separation relation separation reliability separation scheme separation(separative) potential separation(separative) work separation system of decision and collection of fines separation system of securities separation test separation test for spacecrafts separation theorem separatist regime in the middle and late Tang Dynasty Separatists separative separative element separative family separative number separative partially ordered set separative semigroup separative work separativity condition separatography separator separator between sets separator for heavy-ion reaction products separator of a category

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