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新课程下的高中物理选修教材,对于地磁场的讲解比较简单.然而近几年的高考以及各级各类考试中,与地磁场有关的联系生产、生活、现代科技等方面的问题出现频度较高.本文就地磁场的特点、形成以及应用做比较详细的阐述,以提高对地磁场的认识.1地磁场的特点图1关于地磁场的特点,许
However, in recent years, college entrance examination and all kinds of examinations at various levels, and geomagnetic field related to production, life, modern science and technology and other aspects of the frequency of problems Higher.In this paper, the characteristics of the magnetic field, the formation and application of a more detailed exposition in order to improve the understanding of the geomagnetic field.1 Characteristics of geomagnetic field Figure 1 on the characteristics of the geomagnetic field, Xu