对电线的检验不仅限于通过对电线上的剪切痕迹进行检验来认定作案工具，有时通过对电线线皮上线条痕迹的检验也可以进行同一认定。

While deciding the crime tools, the test of wires can be used not only by testing the cut trace, but also by testing the trace of the wire skin.

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为了找到这些问题的答案，该科研组整理了自皮埃尔奥杰宇宙线观测站三年前工作时收集的到的所有资料。

To find answers to these questions, the team trawled through the data that have accumulated since the Pierre Auger observatory began operating three years ago.

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给一个苹果削皮，确保削下的皮成一条线，然后朝身后扔。

Peel an apple, making sure the peeling comes off in one long strand and then throw it over your shoulder.

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