“ferns”的概念、定义、翻译、参考文献-科学参考

单词	ferns
释义	ferns Encyclopedia 理学植物学释 ferns; pteridophytes蕨类植物具有根、茎、叶分化，不产生种子的维管植物。大都为草本，少数为木本。
随便看	bilateral investment promotion and protection agreement bilateral Laplace transform bilaterally bounded sequence bilaterally invariant bilateral maritime agreement bilateral network bilateral observation Bi-lateral Resource Integration Service bilateral series bilateral shift operator bilateral surface bilateral symmetry bilateral transfer bilateral transformation bilateral Z-transform bilayer bilayer graphene bilayer graphene; double layer graphene bilayer graphene; double-layer graphene bilayer lipid membrane bilayer structure Bilbao Bilbao International Documentary and Short Film Festival bilby Bilderberg continuum atmosphere model

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