In this proof of concept, you need to copy or migrate a complete image of a virtual server from the primary data center to the disaster recovery data center.

在概念验证中，需要把虚拟服务器的一个完整映像从主数据中心复制或迁移到灾难恢复数据中心。

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The team is also working to find a more commonplace, less-expensive material for the catalyst, to replace the relatively rare and costly iridium used in this proof-of-concept study.

该小组还正在努力寻找一种更常见的，更便宜的催化剂，以代替在验证性概念研究中使用的相对昂贵和稀有铱催化材料。

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But it is not essential that this proof of the truth should constitute the first introduction to the idea.

然而，这并不是说，我们传授一个概念时，就必须先证明它的真实性。

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This evidence can be used by investigators who are working to solve the crime and as proof in a court of law.

VOA: special.2010.05.05

4 So this is 16 times 4 equals 64 and though this is not proof by any means, it's not a formal proof because here is one example that happens to prove my point.

所以是16*4，即,尽管如此，这并不是严格的证明,因为是这个例子碰巧证明了我的观点。

哈佛公开课 - 计算机科学课程节选

So again, this is how we kind of feel the article proof.

我们又一次,证明了大脑的关键性。

耶鲁公开课 - 死亡课程节选

But now, with this proof of concept, Oil Creek Valley and the surrounding region erupted in the first oil boom.

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However, note that the burden of this proof is on the investor: it is not on the company at all.

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Is this proof that the U.S. economy is in a recession?

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