名词
中文翻译：南向杆
同义词：
['southward pole', 'south-seeking rod']
例句：
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1. The scientist used a south-seeking pole to measure the magnetic field.
科学家使用一个南向杆来测量磁场。
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2. The ship's navigation system wasdesigned with a south-seeking polein mind.
船只的导航系统被设计成考虑了南向杆。
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3. The researcher found that the south-seekingpole could be used to improve the accuracyof the measurement.
研究员发现南向杆可以用来提高测量的准确性。