相关性,相对性,相对论
Relativity \Rel`a*tiv"i*ty\ (-t?v"?-t?), n. The state of being relative; as, the relativity of a subject. --Coleridge.
relativity
n : (physics) the theory that space and time are relative
concepts rather than absolute concepts [syn: {theory of
relativity}, {relativity theory}, {Einstein's theory of
relativity}]