reference frame

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a system that uses coordinates to establish position
• Syn:
coordinate system, frame of reference, reference system
• Hypernyms:
arrangement, organization, organisation, system
• Hyponyms:
Cartesian coordinate system, inertial reference frame, inertial frame, space-time, space-time continuum
• Part Meronyms:
coordinate axis