名词
中文翻译：地磁极性事件
同义词：
['geomagnetic polarity', 'geomagnetic field polarity']
例句：
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1. Thisis the first time we have observed a geomagnetic polarity event in our region.
这是我们首次在我们地区观察到地磁极性事件。
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2.The study of geomagnetic polarity events has significant implications for understanding the Earth's magnetic field.
研究地磁极性事件对理解地球磁场有重要意义。
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3. The geomagnetic polarity event was caused by an unusually strong solar storm.
地磁极性事件是由一次异常强烈的太阳风暴引起的。