前导黑子
- 网络Leading sunspot;preceding spot
前导黑子-
5月29日以后，前导黑子的逆时针旋转，可能主要是由于不对称半影使黑子自行的结果。
After May 29 , the counterclockwise rotation of the preceding spot may be principally due to the proper motion of the sunspot caused by its asymmetric penumbra .
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产生磁力线扭绞的主要原因是前导黑子的逆时针旋转，以及中部δ结构的发展；
The main promoting factors of twisting are the counterclockwise rotation of the preceding sunspots and the developing of the δ structure in the middle of the region ;
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这个质子活动区的主要形态特点是前导大黑子A的半影纤维的顺时针旋涡结构。
The main morphological feature of this proton active region is the clockwise spiral structure of the penumbral filaments of the large preceding spot " A " .