ground reinforcement in passive zone

passive zone improving

reinforce in the passive zone

reinforcem ent for the passive zone

strengthened soil in passive zone

passive anchorage zone

clear zone zone

trade-wind zone [= zone of trade wind]

passive element passive element

air distribution on a zone by zone basis

damage zone kill zone

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 upgoing

zone by zone up-going production

zone-by-zone analysis

zone-by-zone production testing