Seasonal characteristics of F region in lower solar activity period at Zhongshan Station, Antarctica
HeLongsong,贺龙松 1,LiuRuiyuan,刘瑞源 1,LiuShunlin,刘顺林 1; 2,LiuYonghua,刘勇华 1
Advances in Polar Science . 1999, (2): 149 -0 .