The constant paper tension is one of the key technology in the cigarette maker design, for it can avoid paper break when the machine changing velocity.

等张力供纸是卷烟机设计的重要技术之一，它可有效减少机器在启动、变速、停机等操作过程中的断纸现象。

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If you can't finish the paper now, shoot for after spring break, OK?

如果你现在赶不出来这篇论文，那春假之后交上来吧，行吗？

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Pearson, the London-based publisher that owns the paper, does not break out separate figures for it, but analysts say its AD revenue is probably down at least 20 percent compared with last year.

伦敦出版商、该报纸所有者培生集团受到的冲击并不大，但分析师认为其广告收入将比去年至少下降了20%。

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But as long as such high returns are available on short-term government paper, even a tax break may not make longer-term, riskier investments look sufficiently appetising.

ECONOMIST: Brazil's new president

Foldable paper video demonstration after the break.

ENGADGET: MIT researchers revolutionize solar cell printing, fold the power of the sun into your everyday home (video)

After discussing the break-up Mr Fuller, a paper mill worker, went missing with the three children.

BBC: Sam, Rebecca and Charlotte Fuller