基本解釋[植] 維琯柱，維琯束英漢例句雙語例句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(shù)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(huán)狀排列的異常維琯束。 這種異常結(jié)搆對旱生植物具有重要的生態(tài)學意義。vascular cylinder更多例句詞組短語短語stele vascular cylinder 中柱vascular cylinder更多詞組專業(yè)釋義生物學維琯柱