arid and semi arid area
arid and semi arid areas
arid and semi arid region of Northwest China
arid and semi arid regions
arid and semi-arid area
干旱半干旱区
风沙区
干旱半干旱地区
干旱及半干旱地区
干旱、半干旱区
arid and semi-arid areas
Arid and semi-arid areas in Middle part of Asia
Arid and semi-arid region
干旱半干旱地区
干旱半干旱区
农业
干旱半干旱
干旱与半干旱区
干旱和半干旱区
Arid and semi-arid region of Northwest China
arid and semi-arid regions
干旱半干旱区
干旱半干旱地区
干旱与半干旱地区
干旱—半干旱区
Arid and semi-arid zone
arid and semiarid areas
Arid-Half Arid karst Region
semi-arid and arid regions
the semi-arid area and semi-moist area which incline to be arid
PROHIBITED ZONES AND RESTRICTED ZONES