undersea

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But, investments in undersea cable links are not without risk.
但是，在海底的光缆铺设投资并不是没有风险的。
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So, in order to ensure that what they hear really is a neutrino, physicists need to know what other noises fill the undersea void.
因此，为了确保听到的的确是中微子，物理学家们还需要知道其他也在海底发出的声响（即所谓的本底干扰@_@）。
So in some wet place, maybe near an undersea hydrothermal vent, maybe in the clay on the shore of a shallow pond, organic molecules started to replicate.
因此，在某些潮湿的地区，也许是海底热泉喷口附近，或浅水池塘岸边的粘土中，有机分子开始了自我复制。

BP is trying different ways to stop the leak from a damaged undersea well and control the spilled oil.
The Hawaiian Islands were formed starting millions of years ago by hot liquid rock flowing from undersea volcanoes.
And we visit the undersea world while staying on dry land.

Next up: new optical-switching technology, an undersea fiber pipeline for international traffic and overseas acquisitions.
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