2.periodic variation of corona
3.coronal forbidden lines
5.coronal optical polarization
6.radio wave scattering of the solar corona
7.The puzzle of Corona′s temperatures
8.Progress in Space Observations of the Corona
9.On the other hand, all the material in the transversal sheet comes from the corona and produces a high-temperature coronal loop.
横向电流片的物质则全部来自
日冕,从而形成高温
日冕环。
10.Acceleration of Bidirectional Eletron Beams in Corona