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1．地磁场的分布地球的磁场与条形磁铁的磁场分布相似．地球表面的地磁场分布情况如图1所示,主要特点是: (1)地球是一个大磁体,它的N极在地理南极附近,S极在地理北极附近．
1. The distribution of the geomagnetic field The magnetic field of the earth is similar to the magnetic field distribution of the bar magnets. The distribution of the geomagnetic field on the surface of the Earth is shown in Figure 1. The main features are: (1) The Earth is a large magnet, its N-pole is near the geographical Antarctica, and the S-pole is near the geographical North Pole.