1.These faculae frequently are the forerunners of sunspot formation .
这些光斑常常是形成太阳黑子的先兆。
2.These faculae frequently are the forerunners of sunspot formation .
这些光斑常常是形成太阳黑子的先兆。
3.These faculae frequently are the forerunners of sunspot formation.
这些光斑常常是形成太阳黑子的先兆。
4.Fine structure of faculae.
光斑的精细结构。