mountain land in North Hebei
Plateau of north Hebei Province
the north Hebei province
Central Hebei Depression
north margin of North China Plate
north margin of North China platform
North sub-belt of north belt of Beishan in Gansu
the consistence of coodinate north and compass north
the middele north margin of North China Block
the middle north margin of North China craton
The north area of North China
the north margin of North China platform
the north of North China
Great Debate between British and North American Schools
’South bridge and north tunnel’ option