велика природна перешкода (у вигляді річок, озер, гір тощо)
geographic coordinate system
geographic coordinates
geographic feature
geographic information (GEOINFO)
specified geographic area
World Geographic Reference System (WGRS); georef
geographic Cartesian system
geographic(al) latitude
geographic(al) longitude
electronic geographic coordinate navigation
world geographic reference system
geographic reference
Geographic Information System (GIS)
geographic situation (GeoSit)
altitude barrier
antisubmarine barrier
barrier materials
barrier minefield
barrier plan
barrier restricted area
barrier system
barrier troops / blocking detachments (units) / anti-retreat forces
boom barrier (boom gate)
concrete barrier
portable vehicle-arresting barrier (PVAB)
sonic barrier
vehicle-arresting barrier
barrier inspection
crash barrier
noise barrier
barrier
gas barrier