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Next, scientists look at tandem repeats, or the repeat of two or more nucleotides, in roughly 13 to 15 regions of a DNA sample called loci.

接下来，科学家对DNA样本中称为位点的13至15个区域的串联重复或两个以及多于两个核苷酸的重复进行观察。

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But scientists are cautioning that a repeat for Japan - on a smaller scale - is not a matter of if, but when.

科学家警告说，日本还会再次发生地震，这不过是早晚的问题，只不过规模会相对小一些。

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Friday's meeting was designed to begin this process, with hopes that other scientists will find inconsistencies in the measurements and, hopefully, repeat the experiment elsewhere.

BBC: Speed-of-light results under scrutiny at Cern