phloem sheath
英 [ˈfləʊem ʃiːθ]
美 [ˈfloʊem ʃiːθ]
【医】韧皮鞘
双语例句
- The area of duct is bigger than that of phloem in flag leaf and leaf sheath, but smaller in the first internode, primary branch and secondary branch.
不同部位维管束性状的差异较大，叶片、叶鞘的导管面积大于韧皮部面积，穗颈节间、一次枝梗、二次枝梗的韧皮部面积大于导管面积；