primary xylem

 
  • 初生木質(zhì)部

primary xylem的用法和樣例:

例句

  1. In nonwoody plants the primary xylem is the only water-conducting tissue, but in mature plants with secondary growth this function is mostly taken over by the secondary xylem.
    在尚未木質(zhì)化的植物中,初生木質(zhì)部是唯一的輸水組織,但在具有次生生長(cháng)的成熟植物中,該功能大多由次生木質(zhì)部行使。
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