... up reversal回升 magnetic reversal逆磁化;倒转磁化;磁场倒转;磁性局势恶化 current reversal电链向;电流换向;电流反向;[分化]电流回扫 ...
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地磁场倒转和长期变的理论、观测和应用以及磁性地层学；
Theory, observation and application of the geomagnetic polarity reversal and secular variation, magnetostratigraphy;
尽管在过去地质时期地磁场发生了多次倒转，但要预测下次倒转将在何时发生也还是不可能的。
Although magnetic reversals have occurred many times in the geologic past, it is not yet possible to predict when the next reversal will occur.
所以现在，我们已经初次具有了有关磁场怎样能发生倒转的三维和随时间变化的模拟信息。
So now, for the first time, we have three-dimensional and time-dependent simulated information about how magnetic reversals can occur.
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