电容产生电场，线圈生成磁场，电路中的能量就在电场和磁场之间高速振荡。
The energy within this circuit oscillates rapidly between an electric field in the capacitor and a magnetic field in the coil.
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.
产生磁场后额外的能量转化为红外激光，激光指向地球上收集能量用的卫星天线。
Any current not needed for the magnetic field powers an infrared laser trained on satellite dishes back on Earth, designed to collect the energy.
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