main controlling factor of north slope
north slope of Tian Mountain
north slope of Dabie mountain
north slope of Qinling Mountains
North Slope of Qilian Mountains
The north slope of QinLing mountains
the north slope of Beidagang
North slope of Tianshan Mountain
north slope of Tanggula Mountain
the north slope of middle Tian Mountain
the north slope of Fuxin uplift zone
north slope of South China Sea
Economic belt in North Slope of Tianshan Mountains
the north slope of the South China Sea