太阳活动对地球的影响有 �干扰地面无线电短波通讯 �低纬度地区能看到极光现象 �产生“磁暴 现象�诱�地震和火山爆�其中正确的是a.�� B Template




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tomski太阳活动对地球的影响有 �干扰地面无线电短波通讯 �低纬度地区能看到极光现象 coloring