cultivition in sea water zone
ecological protection zone of culture
trade-wind zone [= zone of trade wind]
extensive cultivation; wide sowing but meager harvest-a method of cultivation: the cultivated area is large but the per area yield is relatively low
Forcing-cultivation and Rain-shelter-cultivation
air distribution on a zone by zone basis
near zone to far zone transformation
north-south seismic zone (N-S seismic zone)
the alternative occurrence of fractured zone and non-fractured zone
Time-domain near-zone to far-zone transformation
zone by zone up-going production
zone-by-zone production testing
zone-by-zone water flooding
2+1 talents cultivation system
Ideological moral cultivation and legal basis course