tetrad

英

美

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

• the cardinal number that is the sum of three and one
  Synonym:four4IVquaternquaternionquaternaryquaternityquartetquadrupletfoursomeLittle Joe

双语例句

• 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 merit of viewing the four as a tetrad rather than selecting only three to form a triangle is that it gives greater prominence to quality.
  把这四个变量看成是四元的而不是选出三个组合成三角形，它的优点在于：它给质量上带来了很多显著的帮助。
• 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。
• Microspore abortion occured after the tetrad formation.
  小孢子败育发生在四分体形成以后。
• 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
• 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。
• 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。
• 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 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。
• 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？