secondary xylem例句

secondary xylem的用法和样例

例句

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.
在尚未木质化的植物中，初生木质部是唯一的输水组织，但在具有次生生长的成熟植物中，该功能大多由次生木质部行使。

secondary xylem怎么读 secondary xylem是什么意思

次生木质部

secondary xylem的相关资料

临近单词

secondary cut多次切割secondaryadj.次要的；从属的；中等教育的n.副手；次要位置secondary inoculation reaction继发性接种反应secondary wastewater treatment污水二级处理secondary pump variable volume二次泵变流量secondary disease of dysentery痢后风secondary motor correspondence继发性运动对应secondary natural radionuclide次级天然放射性核种Secondary cooling water system二次冷却水系统secondary tuberculosis of lung继发性肺结核secondary geological disasters次生地质灾害Secondary nasolabial deformity鼻唇继发畸形

展开更多