Objective lens
() .
Occupation
.
Orthographic projection
. .
Oblique cylindrical projection
Orthomorphic projection
. Conformal projection
Orthogonal projection
.
Oblique projection
. Oblique aspect of a progection
Opague signal
. Night signals
Oxidization
Occultation
.
Oceanography
.
Optical transit
( ) .
Oblique case
. .
Orbital velocity
Oblate spheroid
. Ellipsoid
Ozonosphere
30 50 .
Optical plummet
. .
Open sight alidade
.
Optical square
Occupied Point
. The physical point over which the instrument is set up
Operational command
. . . OPS
(JERS) . Optical sensor
Octa
Orchards
. . .
Optical
.
Original data
Output data
Oval
Offset
Overlap
. 55 % 70 % .
Overscanning
( ) .
Optical transit
Order of Survey
. . Away of expressing the accuracy of the work
Operating instruction
Ordnance survey
Orientation
.
Orientation
..
Octagone
Off center
Eccentric
Orthophoto map
Oblique line
Orthodrome
. . . Great circle
Observer
.
Observation
.
Observation of direction
.
Obtuse angle
Open sky
.
Operating code
Octagonal figure
Oblique fault
Orthophoto
. Orthophotograph
Oblique Photograph
. High oblique Low oblique
Offset printing
.
Obliterate
Obstacle
.
Odometer
( ) .
Orography
Occidental
.
Observation aperture
Ordinary film
. Commercial film
Orthochromatic film
.
Ocean floor
Ocean bottom
Oblique
Octagonal head cross staff
.
Open head cross staff
. .
Obtuse triangle
Obsequent streams
.
Oblate ellipsoid
. ( ) .
Ocean
Oblique cone
Orbit
.
Orthoimage
.
Observatory
.
One second reading theodolite
() .
Ordance surveyer
Oblique plane
Optical mechanical scanner
. .
Observations
.
Output amplifier
Open traverse
.
Observation equation
On line data processing
Ordance
Oblate
Obliterated corner
.
Outcrop
. .
Optical mechanical system
Over haul
.