Similarly, moving a magnet creates an electric current in a neighbouring wire.

同样，移动磁体也可以使线圈中产生电流。

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These prevent the central magnet from moving up and down smoothly.

这样可以避免线圈中央的磁铁上下移动的幅度过小。

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A current can also be induced by constantly moving a permanent magnet in and out of a coil of wire or by constantly moving a conductor near a stationary permanent magnet.

让永久磁铁在线圈中进出运动或让一个导体在固定的永久磁铁附近的区域移动，也会产生电流。

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This moving average has been a magnet since mid-2009.

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At very high doses, exposure to a magnetic field can cause the muscles to twitch and some people have reported feeling dizzy or sick when moving their heads quickly around a high-field magnet.

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The stock is still below all of its moving averages, but as we often see, the 21-day MA is acting like a magnet.

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