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tetrad

网络  四分体; 四联球菌; 四联体; 四分子; 四分孢子

复数:tetrads 

计算机

英英释义

noun

双语例句

  • Tapetum cell hyperplasia from the tetrad to the single nucleus early period.
    绒毡层细胞在四分体&单核早期发生增生;
  • Microspore mother cells meiosis was conformed to simultaneous type with mostly tetrahedral and decussate tetrad.
    小孢子母细胞减数分裂属于同时型,小孢子在四分体中的排列方式多数为四面体形,少数为十字交叉形。
  • From tetrad stage to microspore stage, the ABA content in sterile buds was higher than fertile buds.
    四分体到小孢子单核期和小孢子二核后期至成熟花粉期不育花蕾ABA含量仍高于可育花蕾。
  • The megaspore mother cell undergoing meiotic divisions produces a T-shaped, or, rarely, linear tetrad.
    大孢子母细胞减数分裂产生T形四分体和少数线形四分体。
  • The tetrad analysis of some hybrids led the discovery of two complementary genes systems.
    通过四分体分析发现一些杂种有两种互补基因系。
  • The characteristics of tetrad was that the nucleus and Golgi bodies being in the active state.
    四分孢子的显著特征是细胞核和高尔基体呈活跃状态。
  • The results are as follows: During anther early development, only few ATPase precipitates located in small vacuoles and the nucleus of microspore mother cell and tetrad microspore.
    结论如下:在花药发育过程中,小孢子母细胞和四分体内的ATPase很少,仅在细胞核及小液泡中分布有少量的ATPase。
  • Callose exists mainly in transverse walls during dyad, triad and tetrad stages, a little in side walls.
    二分体、三分体、四分体时期,胼胝质荧光主要存在于大孢子之间的横壁上,侧壁内胼胝质荧光较弱。
  • It appears however that the formation of megaspore tetrad associated with the high GA3/ ZT ratio.
    高水平的ZT/IAA有利于大孢子母细胞和花粉粒的形成,而大孢子四分体的形成则需要高的GA3/ZT比值。
  • Chromosomes out of nuclei can be seen both at prophase ⅱ and tetrad period.
    前期Ⅱ和四分体时期可观察到核外染色体;