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- orthonormal tetrad 四维标准正交标架
- Orthonormal expansions at baseband and passband. 基频与通频的正则扩大。
- The micronuclei were not observed in tetrad stage . 四分体阶段有微核。
- The other cells of the tetrad undergo degeneration. 胚囊发育类型为单孢子蓼型胚囊;
- Data compression using orthonormal expansions. 利用正则扩大的资料压缩。
- The microspores in tetrad stage showed tetrahedron structure. 小孢子四分体为四面体型。
- Which undergoes meitotic division and forms a linear tetrad. 由孢原细胞直接发育形成大孢子母细胞。
- Abnormal development was observed at tetrad and mature embryo sac. 在四分体和成熟胚囊时期观察到了异常发育现象。
- At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared. 四分体时期还出现二分体、三分体、含微核的异常四分体及多分体。
- The megaspore mother cell meiosis to form a linear megaspore tetrad. 大孢子母细胞减数分裂产生直线形大孢子四分体。
- The chalazal megaspore of a linear tetrad develops into a polygonum type sac. 四分体线行排列，合点端的大孢子发育为蓼型胚囊。
- The pattern of microspores in the tetrad period is of tetrahedron type. 小孢子四分体时期其排列为四面体型。
- 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。
- There were micronuclei and tetraspores of various types in the tetrad stage . 四分体阶段有微核和不同类型的四分孢子群。
- In recent years, M-band orthonormal wavelet bases, due to their good characteristics, have attracted attention. M带正交子波基由于所具有的优良特性得到了广泛关注。
- Key Words: wavelet expansion, Gabor expansion, Wilson expansion, and orthonormal basis. 关键字 ：小波展开式、盖柏展开式、威尔森展开式、正交基底。
- Since Einstein's gravity theory is a frame independent theory, we have the freedom of choosing an orthonormal frame. 本文旨在探讨无转轴侦测元件永磁同步电动机驱动系统。
- One pair of homologous chromosomes resulting from the division of a tetrad during meiosis. 二分体一对由四分体在成熟分裂过程中形成的同源染色体
- By introducing 2-order balance algorithm to construct a pre-filter,two two-scale orthonormal multi-wavelets were given. 同时应用二阶平衡法构建出相应的预滤波器,并给出两个二尺度正交多小波算式。
- The bath formula of Sn-Bi alloy electroplating was improved by condition experiment and orthonormal test. 本文通过条件实验和正交试验对硫酸盐锡铋合金电镀液配方进行了改进。
