orchered tetrads 顺序四分子在链孢霉的子囊中减数分裂的产物子囊孢子按一定顺序排列 ; 顺序四分子
Tetrads Drop Lite 俄罗斯方块
ordered tetrads 有顺序〔的〕四分子
null tetrads 零标架
linear tetrads 线形四分体
tetrads analysis 四分子分析
local moving tetrads 局部活动标架
Forming Tetrahedral Tetrads 产生四面体排列型
同义词： four 4 IV quatern quaternion quaternary quaternity quartet quadruplet foursome Little Joe
以上来源于: WordNet
N a group or series of four 四个一组(或一系列)
An extine with its specific pattern had already been formed, when microspores were released from tetrads.
当小孢子从四分体中释放出来，特殊类型的外壁已经形成。
The results showed that the type of microsporic tetrads of the simple flower is belong to tetrahedral type and the mature pollen is two-celled with bristles on the surface.
单瓣紫花木槿的小孢子母细胞经过减数分裂形成四面体状的四分体，成熟花粉是二细胞型花粉，圆球型，表面有刺毛。
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