由于北极地区具有夏季通航的前景，我国应及早动手制订北极战略，研究北极航线，保证最大的经济利益。
Because the Arctic has the prospect of navigation in summer. China should study Arctic strategy and Arctic routes as soon as possible to ensure the economic benefits.
由于北极地区具有夏季通航的前景，我国应及早动手制订北极战略，研究北极航线，保证最大的经济利益。
Because the Arctic has the prospect of navigation in summer. China should study Arctic strategy and Arctic routes as soon as possible to ensure the economic benefits.
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