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
- 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。 - 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。 - 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 - Microspore abortion occured after the tetrad formation.
小孢子败育发生在四分体形成以后。 - 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。 - 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。 - 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。 - 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。