机械手表一旦磁化了，带来的影响首先是误差增大，严重的还会使手表停走。
Once the magnetic mechanical watch, the impact of the first error is increased, the serious will make the watch to stop.
方法采用相位敏感方法消除相位误差，保存反转恢复序列中磁化矢量的极性。
Methods The phase sensitive method was used to remove the phase errors and restore the polarity of theinversionrecovery data .
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