名词
中文翻译：地磁变化
同义词：
['geomagnetic field variation', 'geomagnetic variations']
例句：
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1. The study ofgeomagnetic variations is crucial for understanding the Earth's magnetic field.
研究地磁变化对于理解地球磁场至关重要。
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2.The geomagnetic variations have been observed to affect weather patterns.
观察到的地磁变化已经影响天气模式。
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3. The geomagnetic variations are influenced by the Sun's activity and can cause changes in the Earth's magnetic field.
地磁变化受到太阳活动的影响，并可能导致地球磁场的变化。