太阳活动区δ黑子的研究进展

对太阳活动区δ黑子的研究有着非常重要的意义。因为几乎所有大耀斑都产生在δ黑子中，近３０多年来对δ黑子的观测和研究，取得了长足的进步但仍有许多问题需要我们作进一步的研究和观测证实。在本文中总结了３０多年来对δ黑子的研究进展，着重讨论了δ黑子的形成，发展和衰亡，以及与耀斑的关系等方面取得的最新成果。

Progress in the Study of Delta-type Sunspots

It is of necessity to study Delta-type sunspots because great fiares almost always occur in this type spots. Considerable progress has been achieved for about thirty years on the morphological and statistic analysis of Delta spots. This review is paid attelition to the forming, devoloping and decaying of Delta spots, and is attempted to understand and explain how and why nearly all great flares occur in Deita spots. Finally some of research notes on the theory and simulation for future are briefly discussed.