It is a story of scientific expedition.

这是一个科学探险的故事。

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Many difficulties attend on their scientific expedition to the North Pole.

他们去北极进行科学考察碰到了许多困难。

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Many difficulties attended on their scientific expedition to the North Pole.

他们去北极进行科学考察碰到了许多困难。

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The Scientific Ice Expedition '99 is part of a five-year scientific mission between the National Science Foundation and the U.S. Navy to learn about the geology, physics, chemistry and biology of the Arctic.

CNN: Nuclear sub dives under the ice to explore climate change

It could play an important role in cold climates for search-and-rescue, scientific exploration and expedition support.

BBC: Polar express

Tara Oceans runs a 3-year scientific and outreach expedition throughout the ocean.

UNESCO: Tara Oceans Expedition: Call in New York.