vascular cylinder

基本解釋

• [植] 維琯柱，維琯束

英漢例句

雙語(yǔ)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?chē)?，存在於大多?shù)種子植物中。
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• 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?chē)b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(duì)旱生植物具有重要的生態(tài)學(xué)意義。

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詞組短語(yǔ)

短語(yǔ)

• stele vascular cylinder 中柱

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專(zhuān)業(yè)釋義

生物學(xué)

• 維琯柱