| 释义 |
vascular strand 释义 维管束 例句 1·The central vascular strand goes through major part of embryo, and in the areas to where the central vascular strand can not extend, there exists a regional conducting system. 中央维管网贯穿胚体,其盲端区常出现不能与之连通的局部输导组织。 2·Procambium (procambium strand ) The layer of cells that gives rise to the vascular tissue. 原形成层(原形成层束):形成维管组织的一层细胞。
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