比如，磁极的移动与北极的地点无关。
The movement of the magnetic poles is unrelated to the location of the North pole, for example.
最近一次进行的调查是在2001年5月，这次调查确定了最新的磁极的位置并且确定磁极大致正在以每年40公里的速度向西北方向移动。
The most recent survey, completed in May, 2001, determined an updated position for the Pole and established that it is moving approximately northwest at 40 km per year.
卡西尼号船载的摄像机组还可以连续70天拍摄风暴形成的过程，风暴在木星北磁极附近融合为一体并不断移动。
The imaging team was also able to amass 70-day movies of storms forming, merging and moving near Jupiter's north pole.
他告诉记者，磁北极每年以50千米(约30英里)的速度移动，如今科学家使用人造卫星追踪磁极移动的轨迹。
He told us that magnetic north is moving at a speed of 50 kilometers - about 30 miles - every year. He said that scientists nowadays use satellites to track the changes.
他告诉记者，磁北极每年以50千米(约30英里)的速度移动，如今科学家使用人造卫星追踪磁极移动的轨迹。
He told us that magnetic north is moving at a speed of 50 kilometers - about 30 miles - every year. He said that scientists nowadays use satellites to track the changes.
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