航海航天行业专业英语第146页 ... Southern Crown 南冕星座 southern polarity 南（磁）极性 Southern Triangle 南三角星座 ...
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The rotational direction of the southern leg system was in accordance with that of the main sunspot with N-polarity below it, which shows that there may be some internal relation between the two.
南腿系的旋转跟它下面的N极主黑子的旋转方向一致，表明两者之间可能存在着某种内在的联系。
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