rank stem 中文意思是什麼

rank stem 解釋
等級主幹
  • rank : n 1 列，排；【軍事】行列；〈pl 〉陣線，隊伍，軍隊；〈pl 〉士兵，列兵。2 階層，等級，地位；身份；...
  • stem : STEM ＝Scanning transmission electron microscope 掃描透射式電子顯微鏡。n 1 （草木的）莖，干，梗；...
  1. So, the rank of inducing callus from easy to hard is cotyledon, hypocotyls, stem, leafstalk, radicel, endosperm, leaf and root. 3

    誘導的難易分別為：根段、葉片、胚乳、胚根、葉柄、莖段、胚軸、子葉。
  2. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份，在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定，發現材料間性狀隸屬函數值具有豐富遺傳變異，以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標，從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型（ 1級）材料和臨河大粉青、寧海晚黃豆等乾旱敏感型（ 5級）材料。
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