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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 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。
  • In the course of the embryonic development, after the microspore tetrad is formed, although some forms of the microspore were under developed, and lose of protoplasm, but some have formed normal microspore.
    在胚胎发育过程中,小孢子四分体形成后,虽然出现有些小孢子形状不规则,原生质少或无等现象,但也有发育正常的花粉粒。
  • 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。
  • Study on Simultaneous Determination of Pigments in Tetrad Mixtures by Spectrophotometry with Wavelet Transform-Principal Component Regression Method
    小波变换-主成分回归法在四组分食用色素同时测定中的应用研究
  • 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;
  • 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?
  • 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。
  • There is only one layer of parietal cells at the stage of sporogenous cell, megaspore mother cell and tetrad.
    造孢细胞,大孢子母细胞和四分体时期,周缘细胞仅1层。
  • 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。
  • 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。