Fahn

常见例句

• According to Fahn's view (1982) that evolutionary development of the node was from the unilacunar node with two leaf traces to other types of unilacunar node with one, three or more traces.
  从叶柄的基部到远基端维管束变化来看,四棱草属与莸属十分相似,而与筋骨草属、香科科属,大青属则有所不同。
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