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biennial plants造句

"biennial plants"是什么意思  
造句与例句手机版
  • South african annual or biennial plants having flowers that open only in bright sunlight
    南非一个一年或二年生植物属,其花只在明亮阳光下开放。
  • Bolting premature flowering and seed production . biennial plants will sometimes bolt in their first year ; this seriously reduces their yield
    抽苔:提前开花或产生种子。两年生的植物有时会在第一年抽苔,这会导致产量严重下降。
  • In addition , the pith of root and stem is flourishing for prosperous growth period and declining period , the vascular tissue storing the nutrient and providing the nourishment for the biennial plant in next year from abnormal secondary growth is developing in pith , unusual structure eg . epidermis and vice - epidermis , bubble form cell , short pipe numerators and wreath grid types leaf etc . in each organ of pugionium comutum ( l . ) gaertn . had been formed to adapt to dry environment , so the characteristics on appearance and anatomies in pugionium cornutum ( l ) gaertn . has closely of relation with its anti - drought and its adapting to desert environment
    此外,叶片旺盛生长期、衰退期根茎具发达的髓,髓内有异常次生生长形成的维管组织,贮藏养分,为沙芥次年形成二年生植株提供营养,沙芥各器官在解剖结构方面都形成了特化结构如具表皮及副表皮、泡状细胞、短的导管分子及环栅型叶等以适应干旱的环境,因此沙芥各器官的形态及解剖特点与其抗旱、适应沙漠环境有密切的关系。
  • It's difficult to see biennial plants in a sentence. 用biennial plants造句挺难的
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