Other explorers to the Arctic Ocean have sought the fabled Northwest Passage direct shipping route from Europe to Asia across the polar ice.

其他到达北冰洋的探险家也在寻求传说中跨越极地冰原从欧洲到亚洲直接运输路径的西北通道。

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This paper is directed to an advanced method for route survey-polar coordinate method of traverse, and try to establish a corresponding graph and data processing system.

针对导线极坐标法测设路线曲线的方法，提出一套完整的内业图形与数据处理系统的建立方法和步骤。

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The Arctic's importance has gained extra strategic and economic significance as melting ice in the polar region strengthens the feasibility of nations to use the Northern Sea Route (NSR) across the top of Russia and the Northwest Passage through Canada's Arctic archipelago.

CNN: China eyes Arctic options in energy, transport