leaf fall period 中文意思是什麼

leaf fall period 解釋
落葉期
  • leaf : n (pl leaves)1 葉;〈集合詞〉葉子;茶葉,煙葉。2 花瓣。3 (書刊等的)一張(兩面)。4 金屬薄片,...
  • fall : vi (fell; fallen )1 落下;散落,(毛發等)脫落;降落;(水銀柱等)下降;(物價)下落,跌落;(...
  • period : n 1 時代;期;時期;期間;階段。2 〈the period〉現代,當代。3 周期;【地質學;地理學】紀。4 終結...
  1. 2 comparative study on morphology in the light of the form of the materials, hup shows more approximate relationship with gri : they are 50 ~ 70cm high at the period of fructescence ; both are perennials and reproduce themselves by root stock, and especially, hup can also reproduce itself by branch roots and buds growing from stipes when the stems fall againt the ground, and then those buds develop into new bodies ; while gri can reproduce itself not only by vegetative propagation but by seeds. both of hup and gri characterize with bigger leaf blade and with the approximate form of simple leaf, with root stock, and with two - line seeds in one fruit

    2形態學比較從形態上來看,新種hup與分佈海拔高度相近的gri比較接近:植株體高大,果期株高50一7ocm ;都為多年生,能以其根狀莖繁殖,但前者還以較為特殊的營養體繁殖後代,即倒伏后每個莖節上長出新的根和芽,發育成獨立的新植株,後者既能以營養體繁殖,又可通過種子繁殖;具有較大的葉片且單葉形態相近,果實內有二行種子(其它種為一行) . 。
  2. The storage protein accumulated in large quantity in the vegetative organs of swietenia macrophylla at the period near leaf fall and in the leaf - fall period with terminal branchlets much richer in the storge protein than trunks and roots

    在樹木年生長周期的後期, 18kda和zikda蛋白質分佈於枝條、樹干、大根和小根,大量積累在這些器官的次生韌皮部和末端小枝及小根的次生木質部中。
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