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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

  • At both tetrad and pollen mother cell stages, the amount of polysaccharides in pollen cells of male sterility line was slightly higher than that of its maintainer lines.
    在花粉母细胞和四分体时期,不育系细胞中多糖物质的含量稍高于保持系细胞中的含量,但它们之间差异不显著。
  • Abnormal tetrad rates in different generations were 0.16, 0.13 and 0.36 respectively.
    异常四分体频率各代分别为0.16、0.13和0.66。
  • 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。
  • 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 abnormality of tetrad callose wall degradation and tapetum development was associated with the abortion of microspore.
    导致小孢子败育的原因与四分体胼胝质壁不适时解体和绒毡层细胞发育异常、延迟解体有关。
  • This phenomenon occurs in the early tetrad stage.
    这个现象在早期四分体阶段出现。
  • 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;
  • Pollen abortion of MS-4 was in the single nucleus pollen grain stage after the division of microspore tetrad.
    MS-4花粉败育的时期,是在小孢子四分体分开至单核花粉粒时期。
  • Our main results were as follows: the ovary of male I degenerated and disappeared quickly upon megaspore tetrad degeneration, and developed into macrosporocytes;
    结果发现:色木槭一期雄花(雄I)在大孢子四分体退化形成功能性大孢子时期,子房萎缩并迅速退化消失;
  • The Huangshan A-type granites with tetrad REE: constraints on Mesozoic lithospheric thinning of the southeastern Yangtze craton?
    高度演化的黄山A型花岗岩:对扬子克拉通东南部中生代岩石圈减薄的约束?