The divers are expected to spend about 30 days working underwater to lay 20 cables, each 1.07 meters wide, through the ship's bottom.

预计潜水员们要在水下工作30天左右并布下20条钢缆，全部穿过沉船底部。每根钢缆的直径为1.07米。

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This helps set a relaxed recovery which for any distance butterfly, you want do working underwater and relaxing over the surface of the water.

这种方式可以帮助你在任何距离的蝶泳时实现轻松的移臂。你手上的劲应当使在水下，而在水面移臂时则应放松。

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In the drill, the swimmer was working on her underwater dolphins.

在这次演习的游泳者正在她的水下海豚。

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One reason why all this is taking time is that there are now up to 14 remotely operated underwater vehicles working around the well.

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As the Legislature convenes again this year, I am working on helping to pass legislation that protects underwater homeowners.

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Current applications for Superbot are being developed with space exploration in mind, but Shen said the technology could be usefully applied in any environment dangerous to humans such as for search and rescue tasks in mines or underwater -- although the laboratory is still working on a morphing robot capable of swimming.

CNN: Robotics discovers its soft side