Assertion: reference ellipsoid | /r/HasProperty | replaced by rectangular coordinates
Facets:
value: on a plane
type: LOCATION
value: usually
type: OTHER
Source sentences:
text: Because the geodetic coordinates are expressed in angle measure and are inconvenient for practical purposes, they are usually replaced by rectangular coordinates on a plane by representing the surface of the reference ellipsoid on the plane according to one or another mathematical law of point correspondence.