This marks the end of the cleavage stage of development.
这标志着卵裂发育阶段的结束。
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胚胎质量的关系。
According to the observed morphology on the fracture surface, the fracture surface had pseudo-cleavage feature and plastic tearing feature in the last stage of crack growth in high magnification.
高倍下观察断口发现有准解理特征，在裂纹扩展最后阶段有塑性撕裂特征。
The ensuing gene expression profile in the cleavage-stage embryo establishes totipotency and is required for further development.
随后卵裂时期胚胎的基因表达模式将建立一种全能性，这对进一步发育是必需的。
The effects of a nitrogen applying stage on both sucrose synthesis in flag leaves and cleavage in grains of wheat were studied by using HPLC and enzymological methods.
采用HPLC和酶学测定方法，研究了追氮时期对小麦开花后旗叶中蔗糖合成和籽粒中蔗糖降解的影响。
The effects of a nitrogen applying stage on both sucrose synthesis in flag leaves and cleavage in grains of wheat were studied by using HPLC and enzymological methods.
采用HPLC和酶学测定方法，研究了追氮时期对小麦开花后旗叶中蔗糖合成和籽粒中蔗糖降解的影响。
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