Assertion: reference ellipsoid | /r/HasProperty | defined
Facets:
value: mathematically
type: MANNER
value: regionally
type: LOCATION
value: in geodesy
type: LOCATION
Source sentences:
text: Traditional reference ellipsoids or geodetic datums are defined regionally and therefore non-geocentric
text: In geodesy, a reference ellipsoid is a mathematically defined surface that approximates the geoid, the truer[further explanation needed] figure of the Earth, or other planetary body.
text: Traditional reference ellipsoids or ms are defined regionally and therefore non-geocentric
text: The reference ellipsoid is a mathematically defined surface that approximates the physical shape of the Earth.