In the first section of the thesis, the research history of solar-like activities on late-type stars is looked back, and the present status of this research field is reviewed.
在论文的第一部分,我们回顾了晚型恒星的类太阳活动研究的发展历史,评述了这个领域当前的现状,在此基础上指出了未来该研究领域的重点发展方向,确立了本论文的研究目标。