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
英英释义
noun
- the cardinal number that is the sum of three and one
双语例句
- This phenomenon occurs in the early tetrad stage.
这个现象在早期四分体阶段出现。 - 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。 - 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； - 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 - 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。 - 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？ - 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。 - Otherwise, the chromosome morphology involving Haynaldia chromatin was observed at preleptotene I, and the frequencies of chromatin nucleus at tetrad stage and at microspore stage were investigated.
此外，观察了前期I的簇毛麦染色体形态，统计了四分体和小孢子中小麦和簇毛麦染色质微核频率。 - 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。 - The characteristics of tetrad was that the nucleus and Golgi bodies being in the active state.
四分孢子的显著特征是细胞核和高尔基体呈活跃状态。