All this has been demonstrated in elaborate experiments.
所有这些都在精心设计的实验中得到了证明。
When all of this has been collected, it is possible to make a training specification.
当所有这些都被收集之后，就可以制定一个培训规范了。
A more radical solution is to find new sources of commercial revenue within the terminal, and this has been explored by many airports over the last decade or so.
一个更激进的解决方案是在航站楼内寻找新的商业收入来源，而在过去十年左右的时间里，许多机场都在这一方面进行了探索。
而这几件事没有一件完成。
So this has been a remarkable year.
因此，这是不平凡的一年。
So this has been a day of great progress.
所以今天是一个取得重大进展的日子。
In recent years this has been questioned.
近年来，这种方法已经受到了质疑。
Often this has been financed with large borrowings.
通常来说，这需要大量的借款作为支撑。
On its own terms, this has been a successful strategy.
就其本身而言，这种策略十分成功。
I understand that we all know this has been a tough fight.
我明白，我们大家都知道这是场硬战。
Their confidence and ambition has grown enormously, and this has been a great boon.
他们的自信心和雄心明显增强，这很有好处。
Finally, Julie admits, "I think this has been one of the best months we've ever had."
最后，朱莉坦承，“我认为这是咱俩拥有的最美好的一个月。”
Even measured against the years immediately preceding it, however, this has been a special year.
然而，即便与过去的这几年相比较，今年仍是特殊的一年。
Arguably, this has been driving the euro up against the dollar over the last couple of months.
可以说，在过去数月里，正是它拉动着欧元对美元汇率的上升。
While this has been a departure from my recent discussion on JaxMe, I hope you find this article helpful nonetheless.
虽然本文暂时中断了关于JaxMe的讨论，但我还是希望本文的内容能够为您带来帮助。
Unfortunately for the wolverine, which is already endangered, action to combat the climate change behind this has been slow.
对于这些已经濒临灭绝的狼獾来说，更不幸的是，人类对抗全球变暖的行动却相当迟缓。
For most regulators, the safest thing you can have to protect against such shocks is liquidity, and this has been abundant for years.
对绝大部分监管者而言，你能用来防护这种冲击的最安全的东西就是流动性，而且很多年来它一直很充裕。
Certainly, the ability to connect to people remotely and put out messages like this has been instrumental in getting many volunteers involved.
当然，远程连接人们以及像这样发布消息的能力在征集志愿者参与中发挥着很重要的作用。
I'm not saying you can't do this without a camera, I'm just saying that this has been a great tool for me in realizing more of a wonder and appreciation for the world I live in.
我并不是说没有相机你就做不了这件事，我只是说这是我的一个极好的工具，它帮助我认识到我所生活的这个世界里的美好和神奇。
Exports to America have slowed sharply, but this has been offset by faster growth in exports to the European Union and to other emerging economies, and stronger domestic demand.
对美出口急速下降，代之以向欧盟及其他新兴经济的出口快速增加，以及强劲的国内需求。
This has been a wonderful day!
今天真是美好的一天！
This has been today's daily tip.
这就是今天的每日贴士。
This has been today's daily tip.
这就是今天的每日贴士。
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