And if you can bring another device close enough to the source, that will only work at exactly that frequency, you can actually get them to do what's called strongly couple, and transfer magnetic energy between them.
如果你能够带来另一个 与发电源足够近的设备 并且它恰好能够在此频率下工作 你可让它们形成耦合 从而在它们之间传递磁能