Geomagnetic activity, the natural variations in Earth's magnetic field, it fluctuates in 11-year cycles.
地磁活动是地球磁场的自然变化，其波动周期为11年。
It was found that the occurrence rate, current intensity and density increase with an increasing level of geomagnetic activity.
统计结果表明，场向电流的发生率、强度和密度都随地磁活动的增加而增大。
Additionally, it's also true that geomagnetic "storms" caused by solar activity can disrupt some radio communications, endanger satellites and even knock out power systems.
此外，由太阳活动引起的“地磁风暴”，确实可以破坏一些无线电通信，危害卫星，甚至瘫痪电力系统。
Additionally, it's also true that geomagnetic "storms" caused by solar activity can disrupt some radio communications, endanger satellites and even knock out power systems.
此外，由太阳活动引起的“地磁风暴”，确实可以破坏一些无线电通信，危害卫星，甚至瘫痪电力系统。
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