Others have less rigid currencies but still intervene to stem what they regard as excessive upward pressure.
其它国家汇率没这么僵硬，但仍进行干预以抑制他们认为过度的升值压力。
What Dr Yamanaka discovered in his work on mice was a group of transcription factors that switched on the pattern of gene expression which says, “I am an embryonic stem cell.”
Yamanaka通过对老鼠进行实验发现有一组转录因子可以改变基因的表达方式，让这些基因说：“我就是胚胎干细胞”。
Hi. I'm running. I'm also telling some of my stem cells what to do right now. Well, I probably am, based on a new study with mice.
嗨，我在跑步。顺便我也讲讲我的干细胞将要做些什么。呃，当然，这是基于最近一项对老鼠的实验所作的。
In some areas, such as genes, software and stem-cell research, the question of what qualifies for protection is controversial.
在一些领域，如基因，软件及干细胞研究方面，哪些可以得到保护仍然是一个有争议的话题。
That is much closer to what Mary Shelley imagined than anything British stem-cell researchers are proposing today.
这更接近于玛丽·雪莱的想象，而不同于今天英国干细胞研究人员的计划。
So what I don't get is why aren't people who are against using embryonic stem cells in research just as against using iPSCs?
所以令我感到不解的是那些反对用胚胎干细胞进行研究的人为什么不反对使用诱导多功能干细胞呢？
But Britain has, in most scientists' eyes, behaved rationally towards stem-cell research-overseeing and regulating what is going on, but not actually banning very much.
但是，英国已经对干细胞研究采取在大多数科学家眼中合情合理的措施——监管和控制研究工作，但不是真正的明令禁止。
Currently these strategies are the domain of research and we are focused on what we must do next to stem the tide of attack.
目前这些策略还是在研究阶段，并且我们正专注于下一步该如何堵住网络的攻击潮水。
But the fears for the global economy stem from concerns about what might happen from here, not the recovery to date.
但对全球经济的忧虑源自于今后可能会发生什么，而非迄今的复苏。
On the other completely gestated hand, what are called induced pluripotent stem cells (iPSCs) are allegedly good because no embryos are involved.
从另一个完全孕育的角度看，一种被称为“诱导多功能干细胞”的细胞则是可行的因为它不涉及胚胎。
Stem cells are cells that have not yet decided what they want to be when they grow up.
干细胞是一种尚未确定成熟为何种细胞的细胞。
What opportunities stem from architecture management?
源于架构管理的机会是什么？
That is also what happened with human stem cells.
这也是人类干细胞的经历。
Researchers don't know yet what sparks cell division at the molecular level, but learning that process and how to control it could lead to a safe, effective stem cell therapy.
研究者还不知道在分子水平是什么激发细胞分裂，但是认识到这个过程以及如何控制它可以通往安全的有效的干细胞治疗道路。
Landry's reservations about ornamental trophies stem from his rural upbringing and from an inborn sense of what is appropriate.
兰德瑞对于装饰性战利品雕饰的保留源自其乡村的成长经历以及一种天生的对于什么是适当的感觉。
STEM cells have a controversial reputation, but in truth they are what makes human life possible.
干细胞向来的名声备受争议，但事实是他们让人类生命成为可能。
We were initially looking for what is driving liver stem cell proliferation during chronic liver injury.
但最初我们的目的是寻找在慢性肝损伤时什么动力推动了肝脏干细胞的增殖。
Remember that the clones stem from an animal model. Why is the chicken an appropriate model for inner ear gene discovery? What are disadvantages of the chicken model?
请记住复殖株是由动物模式生物而来的。为什么鸡是适合用来找寻内耳基因的模式生物？以鸡来当作模式生物的缺点为何？
What is the best way to mimic the action of CD39 + stem cells?
模拟CD39 +干细胞活性最好的方式是什么？
What they have found is that by taking the cells and putting them in this protein solution, they can create their own embryonic stem cells which can be used effectively.
他们发现，当把成年细胞浸泡在一种特殊的蛋白质溶液里的时候，他们会自己制造出来干细胞。
Alice pointed at the stem. "What does this do?" she asked. "Have you ever used a straw?" the voice asked.
爱丽丝指着茎问道，“它用来做什么？”“你用过吸管吗？”声音问道。
Amazing, what these stem cells can do.
不可思议，干细胞真是太神奇了！
Because embryonic stem cells are so immature, it is very difficult to control what kinds of cells they produce, and the fear is that a tooth could grow inside a heart, for instance.
因为胚胎干细胞没有完全成熟，它很难控制他们将来的类型，比如害怕在心脏旁边长一颗牙齿。
That form of mitosis is called asymmetric division, and it's exactly what stem cells need to maintain a healthy balance between uncommitted and committed cells.
这种情况下的有丝分裂被称作不均等分裂，这也就是干细胞需要保持的在非定向细胞和定向细胞之间的健康平衡。
That form of mitosis is called asymmetric division, and it's exactly what stem cells need to maintain a healthy balance between uncommitted and committed cells.
这种情况下的有丝分裂被称作不均等分裂，这也就是干细胞需要保持的在非定向细胞和定向细胞之间的健康平衡。
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