sunspot polarity
常见例句
- Back in 2008 solar scientists saw a high-latitude, reversed-polarity sunspot, suggesting the start of a new solar cycle.
在2008年的时候，太阳科学家们观测到一个位于太阳高纬地区反极性的黑子，他们认为这是新一轮太阳活动开始的标志。 - 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。 返回 sunspot polarity