其中的原因，研究人员说是因为我们有双重的视觉系统。

The reason, the researchers say, is that we have a dual vision system.

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这次危机的情况和以前不同的一个原因是它会造成双重冲击。

One reason why things are different this time is that there has been a double shock.

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任何肯定的结果还需要进行双重检查和复制，最好使用不同的检测器(一个原因就是为什么大型强子对撞器有几个探测器)。

Any positive results need to be double checked and replicated, preferably using a different detector (one reason why the LHC has several).

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