So how might the algae enter the embryos?
那么水藻到底是如何进入胚胎里的呢？
The embryos are quite advanced in their physical development;
那些胚胎已经发育得相当完整了。
A likely moment occurs as the embryos' nervous systems begin to form.
有可能是在胚胎的神经系统开始形成的时候。
The only difference is at the chromosomal level, deep inside the embryos' cells.
唯一的区别在于染色体的水平，它埋藏在胚胎细胞的深处。
There are 24,000 frozen embryos in clinics across the country.
全国各地的诊所里有24000个冷冻胚胎。
The protein seems to be especially active while human embryos are developing.
这写蛋白质在人类胚胎发育的时候似乎尤其活跃。
Those embryos are each smaller than the period at the end of this sentence.
这些胚胎比这句话后面的句点还要小。
You may also wish to consider reducing the number of embryos you are carrying.
你可能也要考虑减少你怀孕的胚胎数目。
Note: The number in bracket was the percent of the total number of somatic embryos.
括号内数字为占体细胞胚总数的百分数。
Transplantation of 2 call embryos is the reasonable choice.
冻融周期移植2个胚胎是合理的选择。
Objective To observe the growth and implantation of mouse embryos in vitro.
目的观察小鼠胚胎的体外发育及种植过程。
Objective To observe the growth and implantation of mouse embryos in vitro.
目的观察小鼠胚胎的体外发育及种植过程。
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