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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

  • 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。
  • 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?
  • 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。
  • The process of pollen abortion begins with vacuole formation and gradual enlargement in the tetrad.
    花粉败育的过程从四分体开始,细胞质内液泡逐渐增大,接着细胞器解体,细胞核解体。
  • 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。
  • 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;
  • In tetrad stage, the structures of tapetal cells begin to dissociate.
    四分体时期,绒毡层细胞内部结构开始解体。
  • At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.
    此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体。
  • 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。
  • This phenomenon occurs in the early tetrad stage.
    这个现象在早期四分体阶段出现。