date of reference 1

rzeczownikdomena: czas
Princeton WordNet [ver.3.1]
AngielskiAngielski
Definicja

(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded

  • (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded

FENG