vascular cylinder
基本解释
- [植] 維琯柱,維琯束
英汉例句
- The central cylinder in which the primary vascular tissue is arranged around a pith, as in most seed plants.
一種琯狀中柱,其中初生脈琯組織排列在髓孔周圍,存在於大多數種子植物中。 - The thickened tap root appeared to consist of 2 or 3 rings of anomalous vascular bundles surrounding the central cylinder which might be an important adaption to dry condition.
主根粗壯,其中柱周圍産生2或3輪呈同心環狀排列的異常維琯束。 這種異常結搆對旱生植物具有重要的生態學意義。
雙語例句
专业释义
- 維琯柱