The Geological Survey of Canada, which conducts out periodic surveys to monitor magnetic north, says it is slowly drifting across the Canadian Arctic.
加拿大为了监测磁北而进行的周期性的地理调查显示磁极正在缓慢的漂过加拿大的北极圈。
The Geological Survey of Canada, which conducts out periodic surveys to monitor magnetic north, says it is slowly drifting across the Canadian Arctic.
加拿大为了监测磁北而进行的周期性的地理调查显示磁极正在缓慢的漂过加拿大的北极圈。
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