sunspot polarity

常見例句

Back in 2008 solar scientists saw a high-latitude, reversed-polarity sunspot, suggesting the start of a new solar cycle.
在2008年的時(shí)候，太陽科學(xué)家們觀測(cè)到一個(gè)位于太陽高緯地區(qū)反極性的黑子，他們認(rèn)為這是新一輪太陽活動(dòng)開始的標(biāo)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.
南腿系的旋轉(zhuǎn)跟它下面的N極主黑子的旋轉(zhuǎn)方向一致，表明兩者之間可能存在著某種內(nèi)在的聯(lián)系。