名词
中文翻译：磁差
同义词：
['magnetic difference', 'magnetic differential', 'magnetic deviation']
例句：
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1. The magnetic field of the Earth is responsible for the magnetic differences between different parts of the planet.
地球的磁场导致了地球上不同部分之间的磁差异。
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2.In a magnetometer, the magnetic differential is measured to determine the strength and direction of the Earth's magnetic field.
在磁力计中，通过测量磁差来测定地球磁场的强度和方向。
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3.The magnetic differential can be used to measure the distance between two points on the Earth's surface.
磁差可以用来测量地球表面两点之间的距离。