太阳风将能量转化至磁气圈的速率变化很大。但是目前为止，我们仍不清楚到底是什么在决定着这种传送速率。
The rate at which the solar wind transfers energy to the magnetosphere can vary widely, but what determines the rate of energy transfer is unclear.
带电粒子的能量大小与磁气圈中的磁场的大小变化极大。
The energy of the particles and the fields in the magnetosphere can vary by large amounts.
磁气圈和电离层之间的能量传递可以靠磁场的变化产生的强大的推动力，而不一定要依赖于行星际磁场方向。
Convection in the magnetosphere and ionosphere can be strongly driven by these fluctuations, independent of the direction of the interplanetary magnetic field.
磁气圈和电离层之间的能量传递可以靠磁场的变化产生的强大的推动力，而不一定要依赖于行星际磁场方向。
Convection in the magnetosphere and ionosphere can be strongly driven by these fluctuations, independent of the direction of the interplanetary magnetic field.
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