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

• 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；
• This phenomenon occurs in the early tetrad stage.
  这个现象在早期四分体阶段出现。
• 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。
• First, we construct the symmetrized null tetrad from which the spin coefficients and Dirac equation are derived.
  首先，构造对称化零标架，计算旋系数，导出Dirac方程，并对其进行化简。
• 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 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？
• 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。
• 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。
• 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。
• Microspore abortion occured after the tetrad formation.
  小孢子败育发生在四分体形成以后。