deformation of front zone of mountain

front draft section

Back Draft Zone

Back Zone Draft

Back Zone Draft Multiple

draft zone

clear zone zone

coastal front coastal front trapped wave

sloping delta front and basin delta front

the alternative occurrence of fractured zone and non-fractured zone

trade-wind zone [= zone of trade wind]

zone by zone upgoing

yi (一)in front of ge (个)

a building in front

a front

A Front End Processor

active front

active front end (AFE) converter

active front steer AFS