由于船要在极地地区航行，那么也需要动力装置以满足穿越冰海的需求。
As this boat will navigate the Polar Regions, it was necessary to have motors to travel through the sea ice.
2005年一次远征北冰洋的海洋生物普查，捕获了一个所谓的“冰海天使（学名Clione limacin），它生活在水下大约1,148英尺（约350米）。
A 2005 Census of Marine Life expedition to the Arctic Ocean captured a so-called sea angel, Clione limacina, at about 1, 148 feet (350 meters) underwater.
北极的温度上升率在过去的100年中比全球温度的上升率高出了一倍，每年都有7万平方公里的冰海消失，而这一面积相当于整个爱尔兰的面积。
Arctic temperatures have increased at almost twice the global average rate in the last 100 years; 70,000 square kilometres of sea ice (an area about the size of Ireland) is disappearing annually.
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