英语词汇“concentric bundle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	concentric bundle
释义	concentric bundle noun : a plant vascular bundle in which (1) phloem surrounds xylem or (2) xylem surrounds phloem — called also respectively (1) amphicribral bundle, (2) amphivasal bundle
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