“楔叶纲”的概念、定义、翻译、参考文献-科学参考

单词	楔叶纲
释义	楔叶纲 Encyclopedia 理学楔叶纲释 sphenopsida楔叶纲蕨类植物门一纲。一类古老的原始维管植物。这一类群的植物以茎部具节为特征，故又称有节类或节蕨纲。
随便看	Gaihu Gaijiaotian Gai Jiaotian art of the stage Gai Junyi GAIL GAIM gain gain bandwidth product gain-bandwidth product gain clamp gain-clamping gain coefficient gain control gain coupling gain distribution gain efficiency gain error gain factor gain fiber manufacturing technique gain flatness gain-floor gain function gain graph gain guide gain hole burn

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