interlaced zone of mountain forest and arid river valley
low valley of the transitional zone
Valley agricultural Zone
valley-slope break zone
trade-wind zone [= zone of trade wind]
glacial valley (galical-carved valley)
The super-wisdom valley The Bo Ruo Valley
The super-wisdom valley(The Bo Ruo Valley)
U-shaped valley(U-valley)
V-shaped valley(V-valley)
air distribution on a zone by zone basis
near zone to far zone transformation
north-south seismic zone (N-S seismic zone)