名词
中文翻译：地磁测量仪
同义词：
['geomagnetic surveyor', 'geomagnetic detector', 'geomagnetic recorder']
例句：
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1. The geomagnetograph was used to measure the Earth's magnetic field.
使用地磁测量仪来测量地球的磁场。
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2. The geomagnetograph detected a sudden change in the magnetic field.
地磁测量仪检测到了磁场的突然变化。
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3. The geomagnetograph helped scientists understand the Earth's internal structure.
地磁测量仪帮助科学家理解了地球的内部结构。