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free central placentation
释义
free central placentation
n.
Botany
(名词)【植物学】
The arrangement of ovules on a central column that is not connected to the ovary wall by partitions, as in the ovaries of the carnation and primrose.
分离中央胎座式:(如在康乃馨和报春花的子房里的)胚珠长在不经深裂片与室壁相连的中央柱上的排列方式
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flügelhorns
fm
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更新时间:2025/6/2 0:23:59