Scientists have developed an underwater biological laboratory that can identify DNA fragments in minutes, saving researchers the trouble of going into the field to retrieve samples.

科学家们研发出水下生物实验室，可以在几分钟内识别出DNA碎片，减少了研究人员得去野外寻找样本的麻烦。

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Partly because of rumours spread by rival scientists, both had trouble maintaining security clearances in the super-clandestine field of anti-submarine warfare.

还有一部分原因是由于反科学家所造的谣言，两者都无法维持在反潜战高级秘密领域的安全。

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The company that long dominated the field of consumer electronics, from the first pocket transistor radio to the Walkman and the PlayStation, is in trouble.

这个公司已经很长时间控制了消费者电子产品的领域，从第一个便携式晶体管收音机到随身听到PlayStation，但是现在已身陷困境。

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Did your own role, and the fact that you were the most celebrated practitioner in this field ever trouble you, so that, for example, when Aitken and the Guardian got into their spat, the Guardian's editor would - and did - say "Let's get Carman quickly before Aitken gets him".

BBC: News Online

And indeed, in the field, Dr Dacke has seen beetles run in to trouble when the Milky Way briefly lies flat on the horizon at particular times of the year.

BBC: Dung beetles guided by Milky Way

But he sees trouble for the rest of the field, and in particular sees continued market share losses for Nokia, Motorola Mobility and Research In Motion.

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