The middle-high latitude area in North America-Greenland can be treated as a key area of circulation evolution.

提出北美-格陵兰中高纬是环流演变的关键区。

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The middle-high latitude area in North America-Greenland can be treated as a key area of circulation evolution.

提出北美-格陵兰中高纬是环流演变的关键区。

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