They showed that the electric field is confined near the ceiling, leaving only the magnetic field to transfer the energy to a smaller receiving loop a few metres away.
他们指出，电场将被限制在天花板附近，因而只有磁场可将电能传送至几米开外的一个更小的接收线圈。
They showed that the electric field is confined near the ceiling, leaving only the magnetic field to transfer the energy to a smaller receiving loop a few metres away.
他们指出，电场将被限制在天花板附近，因而只有磁场可将电能传送至几米开外的一个更小的接收线圈。
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