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- tetragonal tetrad 四边形四分体,四边形四合花粉
- 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;
- The output of each four-like many forest has a Tetragonal Haig. 输出的四弛胶卷各自有一个四方暗格。
- 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。
- Give me an old-fashioned tetragon on a central pivot every time. 每次都给我看一个建在中轴上的四角大楼吧。”
- Bridgman method for tetragonal system was investigated by numerical simulation. 本文对四方晶系晶体的Bridgman法生长进行了稳态数值模拟。
- 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。
- LiCaTa_3O_9 is tetragonal with lattice parameters a=0.778 nm, c=0.783nm. The point group is 4/mmm. LiCaTa_3O_9晶体属四方晶系;点阵参数a=0.;778nm;c=0
- The structure of La_(0.84)Sr_(0.16)CrO_3 belongsto the tetragonal system (with a =3.866A, c=3.921A and c/a=1.014). La_(0.;84)Sr_(0
- 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
- SnO_2 is a wide-band oxide semiconductor with a bandwidth of 3.6~4.0eV and a tetragonal rutile crystal structure. SnO_2是一种对可见光透明的宽带隙氧化物半导体;禁带宽度3.;7-4
- Analysis of Raman Scattering in Fe-doped PZN-PZT Ceramics with the Co-existence of Tetragonal and Rhombohedral[J]. 引用该论文 路朋献;邹文俊;许德合;马秋花;朱满康;侯永改;栗政新;王春华.