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单词
protophloem
释义
pro·to·phlo·em
AHD
[prō'tə-flōʹĕm']
D.J.
[ˌprəʊtəˈfləʊˌem]
K.K.
[ˌprotəˈfloˌɛm]
n.
(名词)
The first formed phloem that differentiates from the procambium.
原生韧皮部:首次形成的韧皮部,用来区别原生层
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更新时间:2025/8/25 19:01:04