胚

Short time delay dont result in preimplantation embryos death, but impacted blastula rate of pronucleus embryos.

短时间滞留不会引起着床前胚胎死亡，但却使原核胚发育到囊胚能力显著下降。3。

The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.

桑椹胚形成于囊胚之前且处于胚胎期内的球形裂球群，由受精卵细胞的分裂而成

The rearrangement of the blastula into a three-dimensional organism with inner middle and outer layers occurs during gastrulation.

在原肠胚形成过程中，囊胚重新排列，形成包括内层，中层，外层的三围组织。

Mature embryos of wheat from cultivar EM12 in Hubei province and mode variety Bobwhite were used as target materials.

以湖北省小麦品种'鄂麦12'和模式品种'Bobwhite'为材料，成熟胚为转化受体，优化基因枪转化法的轰击压力、轰击距离、选择剂等因素，建立以小麦成熟胚为转化受体的高效转化系统。

Secondly, for the boundary correspondence of affine stretch on hyperbolic regions, we prove that the above conclusion is also true. Finally, we pose a sufficient and necessary condition for the same conclusion.

最后利用退化的四边形序列，给出了拟对称同胚的极值拟共形延拓的最大伸缩商、四边形模之比的上确界及拟对称同胚的边界伸缩商三者相等的一个充要条件。

According to SHSM model and branching characteristics of the young maize radicels, four states were adopted for describing the branching process of the young maize radicels, and criterion of dividing states depends on length and branch coefficient of first lateral root.

本次实验中把胚根产生的分支划分为4种状态，划分标准是胚根产生一级侧根的长度与一级侧根分支系数。

A strain of new virus was isolated from fledgling budgerigars by authors in 1995. Cytopathic effect became visible after the isolate was passaged 4 generations on budgerigar embryo fibroblast and 5 generations on Chicken embryo fibroblast.

摘 要 1995年作者从湖北濒死鹦鹉体内分离到一株新病毒，经鹦鹉胚成纤维细胞盲传四代过渡到鸡胚成纤维细胞，再传至第五代出现细胞病变。

It usually enters the ovule through the micropyle, but in some species, such as beech it may enter through the chalaza chalazogamy

花粉管一般通过珠孔进入胚珠，但在某些种中，如山毛榉，它可能是通过合点进入胚珠。

The middle zone of the mesoderm of a chordate vertebrate embryo, from which excretory tissue develops.

中胚叶节脊索类脊椎动物胚胎的中胚层的中间部分，最终会发育成排泄组织

Embryo often curved, or circinate; cotyledons narrow; endosperm powdery or cartilaginous.

胚通常弯曲，或者盘卷；子叶窄；内胚乳粉质或软骨质。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。