名词
中文翻译：磁性低
同义词：
['magnetic field', 'magneticstrength']
例句：
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1. The magnetized metal strips are used to detectthe presence of iron in the soil.
被磁化的金属条用于检测土壤中的铁含量。
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2. The magnetic field lines are drawnon a graph to show the distribution ofmagnetic poles.
在图表上绘制磁场线以显示磁极的分布。
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3. Themagnetic low is responsible for the attraction betweenthe north and south poles of theEarth.
磁北极和磁南极之间的吸引力是由地磁场引起的。